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Finding the Fourth Proportional to 83,205.20, 124,807.80 and 59,585.60

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Solution

The fourth proportional to 83,205.20, 124,807.80 and 59,585.60 is: 89,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,205.20 : 124,807.80 = 59,585.60 : x
  2. Step 2: Convert to fraction form
    83,205.20/124,807.80 = 59,585.60/x
  3. Step 3: Cross multiply
    83,205.20x = 124,807.80 × 59,585.60
  4. Step 4: Simplify right side
    83,205.20x = 7,436,747,647.68
  5. Step 5: Solve for x
    x = 7,436,747,647.68/83,205.20
  6. Step 6: Final answer
    x = 89,378.40

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