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Finding the Fourth Proportional to 9,984.74, 13,778.88 and 5,508.46

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Solution

The fourth proportional to 9,984.74, 13,778.88 and 5,508.46 is: 7,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.74 : 13,778.88 = 5,508.46 : x
  2. Step 2: Convert to fraction form
    9,984.74/13,778.88 = 5,508.46/x
  3. Step 3: Cross multiply
    9,984.74x = 13,778.88 × 5,508.46
  4. Step 4: Simplify right side
    9,984.74x = 75,900,409.32
  5. Step 5: Solve for x
    x = 75,900,409.32/9,984.74
  6. Step 6: Final answer
    x = 7,601.64

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