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Finding the Fourth Proportional to 18,786.52, 25,925.94 and 10,403.02

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Solution

The fourth proportional to 18,786.52, 25,925.94 and 10,403.02 is: 14,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.52 : 25,925.94 = 10,403.02 : x
  2. Step 2: Convert to fraction form
    18,786.52/25,925.94 = 10,403.02/x
  3. Step 3: Cross multiply
    18,786.52x = 25,925.94 × 10,403.02
  4. Step 4: Simplify right side
    18,786.52x = 269,708,072.34
  5. Step 5: Solve for x
    x = 269,708,072.34/18,786.52
  6. Step 6: Final answer
    x = 14,356.47

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