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Finding the Fourth Proportional to 11,182.86, 16,778.16 and 5,631.68

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Solution

The fourth proportional to 11,182.86, 16,778.16 and 5,631.68 is: 8,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.86 : 16,778.16 = 5,631.68 : x
  2. Step 2: Convert to fraction form
    11,182.86/16,778.16 = 5,631.68/x
  3. Step 3: Cross multiply
    11,182.86x = 16,778.16 × 5,631.68
  4. Step 4: Simplify right side
    11,182.86x = 94,489,130.14
  5. Step 5: Solve for x
    x = 94,489,130.14/11,182.86
  6. Step 6: Final answer
    x = 8,449.46

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