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Finding the Fourth Proportional to 82,385.56, 123,578.34 and 29,793.88

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Solution

The fourth proportional to 82,385.56, 123,578.34 and 29,793.88 is: 44,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,385.56 : 123,578.34 = 29,793.88 : x
  2. Step 2: Convert to fraction form
    82,385.56/123,578.34 = 29,793.88/x
  3. Step 3: Cross multiply
    82,385.56x = 123,578.34 × 29,793.88
  4. Step 4: Simplify right side
    82,385.56x = 3,681,878,232.56
  5. Step 5: Solve for x
    x = 3,681,878,232.56/82,385.56
  6. Step 6: Final answer
    x = 44,690.82

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