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Finding the Fourth Proportional to 54,752.48, 82,128.80 and 15,309.56

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Solution

The fourth proportional to 54,752.48, 82,128.80 and 15,309.56 is: 22,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752.48 : 82,128.80 = 15,309.56 : x
  2. Step 2: Convert to fraction form
    54,752.48/82,128.80 = 15,309.56/x
  3. Step 3: Cross multiply
    54,752.48x = 82,128.80 × 15,309.56
  4. Step 4: Simplify right side
    54,752.48x = 1,257,355,791.33
  5. Step 5: Solve for x
    x = 1,257,355,791.33/54,752.48
  6. Step 6: Final answer
    x = 22,964.36

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