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Finding the Fourth Proportional to 54,752.75, 82,129.17 and 13,199.75

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Solution

The fourth proportional to 54,752.75, 82,129.17 and 13,199.75 is: 19,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752.75 : 82,129.17 = 13,199.75 : x
  2. Step 2: Convert to fraction form
    54,752.75/82,129.17 = 13,199.75/x
  3. Step 3: Cross multiply
    54,752.75x = 82,129.17 × 13,199.75
  4. Step 4: Simplify right side
    54,752.75x = 1,084,084,511.71
  5. Step 5: Solve for x
    x = 1,084,084,511.71/54,752.75
  6. Step 6: Final answer
    x = 19,799.64

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