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Finding the Fourth Proportional to 17,723.80, 26,585.70 and 12,194.20

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Solution

The fourth proportional to 17,723.80, 26,585.70 and 12,194.20 is: 18,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,723.80 : 26,585.70 = 12,194.20 : x
  2. Step 2: Convert to fraction form
    17,723.80/26,585.70 = 12,194.20/x
  3. Step 3: Cross multiply
    17,723.80x = 26,585.70 × 12,194.20
  4. Step 4: Simplify right side
    17,723.80x = 324,191,342.94
  5. Step 5: Solve for x
    x = 324,191,342.94/17,723.80
  6. Step 6: Final answer
    x = 18,291.30

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