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Finding the Fourth Proportional to 66,473.80, 99,645.90 and 59,475.40

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Solution

The fourth proportional to 66,473.80, 99,645.90 and 59,475.40 is: 89,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473.80 : 99,645.90 = 59,475.40 : x
  2. Step 2: Convert to fraction form
    66,473.80/99,645.90 = 59,475.40/x
  3. Step 3: Cross multiply
    66,473.80x = 99,645.90 × 59,475.40
  4. Step 4: Simplify right side
    66,473.80x = 5,926,479,760.86
  5. Step 5: Solve for x
    x = 5,926,479,760.86/66,473.80
  6. Step 6: Final answer
    x = 89,155.12

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