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Finding the Fourth Proportional to 18,791.52, 25,932.60 and 10,407.48

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Solution

The fourth proportional to 18,791.52, 25,932.60 and 10,407.48 is: 14,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791.52 : 25,932.60 = 10,407.48 : x
  2. Step 2: Convert to fraction form
    18,791.52/25,932.60 = 10,407.48/x
  3. Step 3: Cross multiply
    18,791.52x = 25,932.60 × 10,407.48
  4. Step 4: Simplify right side
    18,791.52x = 269,893,015.85
  5. Step 5: Solve for x
    x = 269,893,015.85/18,791.52
  6. Step 6: Final answer
    x = 14,362.49

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