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Finding the Fourth Proportional to 18,927.66, 28,416.61 and 16,172.04

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Solution

The fourth proportional to 18,927.66, 28,416.61 and 16,172.04 is: 24,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.66 : 28,416.61 = 16,172.04 : x
  2. Step 2: Convert to fraction form
    18,927.66/28,416.61 = 16,172.04/x
  3. Step 3: Cross multiply
    18,927.66x = 28,416.61 × 16,172.04
  4. Step 4: Simplify right side
    18,927.66x = 459,554,553.58
  5. Step 5: Solve for x
    x = 459,554,553.58/18,927.66
  6. Step 6: Final answer
    x = 24,279.52

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