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Finding the Fourth Proportional to 19,332.74, 28,999.28 and 7,645.96

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Solution

The fourth proportional to 19,332.74, 28,999.28 and 7,645.96 is: 11,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.74 : 28,999.28 = 7,645.96 : x
  2. Step 2: Convert to fraction form
    19,332.74/28,999.28 = 7,645.96/x
  3. Step 3: Cross multiply
    19,332.74x = 28,999.28 × 7,645.96
  4. Step 4: Simplify right side
    19,332.74x = 221,727,235.68
  5. Step 5: Solve for x
    x = 221,727,235.68/19,332.74
  6. Step 6: Final answer
    x = 11,469.00

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