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Finding the Fourth Proportional to 17,955.12, 24,778.44 and 9,997.86

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Solution

The fourth proportional to 17,955.12, 24,778.44 and 9,997.86 is: 13,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.12 : 24,778.44 = 9,997.86 : x
  2. Step 2: Convert to fraction form
    17,955.12/24,778.44 = 9,997.86/x
  3. Step 3: Cross multiply
    17,955.12x = 24,778.44 × 9,997.86
  4. Step 4: Simplify right side
    17,955.12x = 247,731,374.14
  5. Step 5: Solve for x
    x = 247,731,374.14/17,955.12
  6. Step 6: Final answer
    x = 13,797.26

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