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Finding the Fourth Proportional to 19,752.87, 29,640.99 and 7,281.65

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Solution

The fourth proportional to 19,752.87, 29,640.99 and 7,281.65 is: 10,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.87 : 29,640.99 = 7,281.65 : x
  2. Step 2: Convert to fraction form
    19,752.87/29,640.99 = 7,281.65/x
  3. Step 3: Cross multiply
    19,752.87x = 29,640.99 × 7,281.65
  4. Step 4: Simplify right side
    19,752.87x = 215,835,314.83
  5. Step 5: Solve for x
    x = 215,835,314.83/19,752.87
  6. Step 6: Final answer
    x = 10,926.78

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