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Finding the Fourth Proportional to 18,697.55, 28,041.53 and 5,546.88

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Solution

The fourth proportional to 18,697.55, 28,041.53 and 5,546.88 is: 8,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.55 : 28,041.53 = 5,546.88 : x
  2. Step 2: Convert to fraction form
    18,697.55/28,041.53 = 5,546.88/x
  3. Step 3: Cross multiply
    18,697.55x = 28,041.53 × 5,546.88
  4. Step 4: Simplify right side
    18,697.55x = 155,542,974.19
  5. Step 5: Solve for x
    x = 155,542,974.19/18,697.55
  6. Step 6: Final answer
    x = 8,318.90

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