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Finding the Fourth Proportional to 104,532.72, 144,249.69 and 56,785.92

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Solution

The fourth proportional to 104,532.72, 144,249.69 and 56,785.92 is: 78,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,532.72 : 144,249.69 = 56,785.92 : x
  2. Step 2: Convert to fraction form
    104,532.72/144,249.69 = 56,785.92/x
  3. Step 3: Cross multiply
    104,532.72x = 144,249.69 × 56,785.92
  4. Step 4: Simplify right side
    104,532.72x = 8,191,351,356.36
  5. Step 5: Solve for x
    x = 8,191,351,356.36/104,532.72
  6. Step 6: Final answer
    x = 78,361.60

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