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Finding the Fourth Proportional to 23,178.60, 34,734.60 and 14,408.40

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Solution

The fourth proportional to 23,178.60, 34,734.60 and 14,408.40 is: 21,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.60 : 34,734.60 = 14,408.40 : x
  2. Step 2: Convert to fraction form
    23,178.60/34,734.60 = 14,408.40/x
  3. Step 3: Cross multiply
    23,178.60x = 34,734.60 × 14,408.40
  4. Step 4: Simplify right side
    23,178.60x = 500,470,010.64
  5. Step 5: Solve for x
    x = 500,470,010.64/23,178.60
  6. Step 6: Final answer
    x = 21,591.90

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