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Finding the Fourth Proportional to 18,825.56, 25,978.62 and 10,442.84

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Solution

The fourth proportional to 18,825.56, 25,978.62 and 10,442.84 is: 14,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.56 : 25,978.62 = 10,442.84 : x
  2. Step 2: Convert to fraction form
    18,825.56/25,978.62 = 10,442.84/x
  3. Step 3: Cross multiply
    18,825.56x = 25,978.62 × 10,442.84
  4. Step 4: Simplify right side
    18,825.56x = 271,290,572.08
  5. Step 5: Solve for x
    x = 271,290,572.08/18,825.56
  6. Step 6: Final answer
    x = 14,410.76

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