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Finding the Fourth Proportional to 18,788.54, 25,928.49 and 10,290.52

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Solution

The fourth proportional to 18,788.54, 25,928.49 and 10,290.52 is: 14,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.54 : 25,928.49 = 10,290.52 : x
  2. Step 2: Convert to fraction form
    18,788.54/25,928.49 = 10,290.52/x
  3. Step 3: Cross multiply
    18,788.54x = 25,928.49 × 10,290.52
  4. Step 4: Simplify right side
    18,788.54x = 266,817,463.82
  5. Step 5: Solve for x
    x = 266,817,463.82/18,788.54
  6. Step 6: Final answer
    x = 14,201.07

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