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Finding the Fourth Proportional to 7,798.23, 11,679.78 and 5,468.61

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Solution

The fourth proportional to 7,798.23, 11,679.78 and 5,468.61 is: 8,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.23 : 11,679.78 = 5,468.61 : x
  2. Step 2: Convert to fraction form
    7,798.23/11,679.78 = 5,468.61/x
  3. Step 3: Cross multiply
    7,798.23x = 11,679.78 × 5,468.61
  4. Step 4: Simplify right side
    7,798.23x = 63,872,161.71
  5. Step 5: Solve for x
    x = 63,872,161.71/7,798.23
  6. Step 6: Final answer
    x = 8,190.60

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