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Finding the Fourth Proportional to 81,644.72, 122,352.99 and 44,123.90

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Solution

The fourth proportional to 81,644.72, 122,352.99 and 44,123.90 is: 66,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,644.72 : 122,352.99 = 44,123.90 : x
  2. Step 2: Convert to fraction form
    81,644.72/122,352.99 = 44,123.90/x
  3. Step 3: Cross multiply
    81,644.72x = 122,352.99 × 44,123.90
  4. Step 4: Simplify right side
    81,644.72x = 5,398,691,095.46
  5. Step 5: Solve for x
    x = 5,398,691,095.46/81,644.72
  6. Step 6: Final answer
    x = 66,124.19

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