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Finding the Fourth Proportional to 63,519.88, 87,457.86 and 53,939.68

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Solution

The fourth proportional to 63,519.88, 87,457.86 and 53,939.68 is: 74,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,519.88 : 87,457.86 = 53,939.68 : x
  2. Step 2: Convert to fraction form
    63,519.88/87,457.86 = 53,939.68/x
  3. Step 3: Cross multiply
    63,519.88x = 87,457.86 × 53,939.68
  4. Step 4: Simplify right side
    63,519.88x = 4,717,448,981.88
  5. Step 5: Solve for x
    x = 4,717,448,981.88/63,519.88
  6. Step 6: Final answer
    x = 74,267.28

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