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Finding the Fourth Proportional to 44,678.85, 66,916.17 and 21,321.69

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Solution

The fourth proportional to 44,678.85, 66,916.17 and 21,321.69 is: 31,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,678.85 : 66,916.17 = 21,321.69 : x
  2. Step 2: Convert to fraction form
    44,678.85/66,916.17 = 21,321.69/x
  3. Step 3: Cross multiply
    44,678.85x = 66,916.17 × 21,321.69
  4. Step 4: Simplify right side
    44,678.85x = 1,426,765,832.73
  5. Step 5: Solve for x
    x = 1,426,765,832.73/44,678.85
  6. Step 6: Final answer
    x = 31,933.81

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