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Finding the Fourth Proportional to 66,574.72, 99,861.92 and 27,123.20

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Solution

The fourth proportional to 66,574.72, 99,861.92 and 27,123.20 is: 40,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.72 : 99,861.92 = 27,123.20 : x
  2. Step 2: Convert to fraction form
    66,574.72/99,861.92 = 27,123.20/x
  3. Step 3: Cross multiply
    66,574.72x = 99,861.92 × 27,123.20
  4. Step 4: Simplify right side
    66,574.72x = 2,708,574,828.54
  5. Step 5: Solve for x
    x = 2,708,574,828.54/66,574.72
  6. Step 6: Final answer
    x = 40,684.73

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