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Finding the Fourth Proportional to 18,974.66, 28,423.91 and 17,424.52

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Solution

The fourth proportional to 18,974.66, 28,423.91 and 17,424.52 is: 26,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.66 : 28,423.91 = 17,424.52 : x
  2. Step 2: Convert to fraction form
    18,974.66/28,423.91 = 17,424.52/x
  3. Step 3: Cross multiply
    18,974.66x = 28,423.91 × 17,424.52
  4. Step 4: Simplify right side
    18,974.66x = 495,272,960.77
  5. Step 5: Solve for x
    x = 495,272,960.77/18,974.66
  6. Step 6: Final answer
    x = 26,101.82

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