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Finding the Fourth Proportional to 372,916.01, 559,861.85 and 221,389.72

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Solution

The fourth proportional to 372,916.01, 559,861.85 and 221,389.72 is: 332,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,916.01 : 559,861.85 = 221,389.72 : x
  2. Step 2: Convert to fraction form
    372,916.01/559,861.85 = 221,389.72/x
  3. Step 3: Cross multiply
    372,916.01x = 559,861.85 × 221,389.72
  4. Step 4: Simplify right side
    372,916.01x = 123,947,655,703.58
  5. Step 5: Solve for x
    x = 123,947,655,703.58/372,916.01
  6. Step 6: Final answer
    x = 332,374.18

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