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Finding the Fourth Proportional to 59,565.78, 89,212.59 and 28,422.90

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Solution

The fourth proportional to 59,565.78, 89,212.59 and 28,422.90 is: 42,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,565.78 : 89,212.59 = 28,422.90 : x
  2. Step 2: Convert to fraction form
    59,565.78/89,212.59 = 28,422.90/x
  3. Step 3: Cross multiply
    59,565.78x = 89,212.59 × 28,422.90
  4. Step 4: Simplify right side
    59,565.78x = 2,535,680,524.31
  5. Step 5: Solve for x
    x = 2,535,680,524.31/59,565.78
  6. Step 6: Final answer
    x = 42,569.42

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