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Finding the Fourth Proportional to 82,915.08, 124,398.90 and 29,605.88

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Solution

The fourth proportional to 82,915.08, 124,398.90 and 29,605.88 is: 44,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,915.08 : 124,398.90 = 29,605.88 : x
  2. Step 2: Convert to fraction form
    82,915.08/124,398.90 = 29,605.88/x
  3. Step 3: Cross multiply
    82,915.08x = 124,398.90 × 29,605.88
  4. Step 4: Simplify right side
    82,915.08x = 3,682,938,905.53
  5. Step 5: Solve for x
    x = 3,682,938,905.53/82,915.08
  6. Step 6: Final answer
    x = 44,418.20

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