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Finding the Fourth Proportional to 83,106.60, 124,635.60 and 29,792.40

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Solution

The fourth proportional to 83,106.60, 124,635.60 and 29,792.40 is: 44,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106.60 : 124,635.60 = 29,792.40 : x
  2. Step 2: Convert to fraction form
    83,106.60/124,635.60 = 29,792.40/x
  3. Step 3: Cross multiply
    83,106.60x = 124,635.60 × 29,792.40
  4. Step 4: Simplify right side
    83,106.60x = 3,713,193,649.44
  5. Step 5: Solve for x
    x = 3,713,193,649.44/83,106.60
  6. Step 6: Final answer
    x = 44,679.89

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