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Finding the Fourth Proportional to 18,796.71, 28,199.42 and 5,470.02

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Solution

The fourth proportional to 18,796.71, 28,199.42 and 5,470.02 is: 8,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.71 : 28,199.42 = 5,470.02 : x
  2. Step 2: Convert to fraction form
    18,796.71/28,199.42 = 5,470.02/x
  3. Step 3: Cross multiply
    18,796.71x = 28,199.42 × 5,470.02
  4. Step 4: Simplify right side
    18,796.71x = 154,251,384.55
  5. Step 5: Solve for x
    x = 154,251,384.55/18,796.71
  6. Step 6: Final answer
    x = 8,206.30

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