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Finding the Fourth Proportional to 19,566.80, 29,350.20 and 5,715.80

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Solution

The fourth proportional to 19,566.80, 29,350.20 and 5,715.80 is: 8,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.80 : 29,350.20 = 5,715.80 : x
  2. Step 2: Convert to fraction form
    19,566.80/29,350.20 = 5,715.80/x
  3. Step 3: Cross multiply
    19,566.80x = 29,350.20 × 5,715.80
  4. Step 4: Simplify right side
    19,566.80x = 167,759,873.16
  5. Step 5: Solve for x
    x = 167,759,873.16/19,566.80
  6. Step 6: Final answer
    x = 8,573.70

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