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Finding the Fourth Proportional to 8,978.43, 13,468.42 and 2,739.84

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Solution

The fourth proportional to 8,978.43, 13,468.42 and 2,739.84 is: 4,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978.43 : 13,468.42 = 2,739.84 : x
  2. Step 2: Convert to fraction form
    8,978.43/13,468.42 = 2,739.84/x
  3. Step 3: Cross multiply
    8,978.43x = 13,468.42 × 2,739.84
  4. Step 4: Simplify right side
    8,978.43x = 36,901,342.67
  5. Step 5: Solve for x
    x = 36,901,342.67/8,978.43
  6. Step 6: Final answer
    x = 4,110.00

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