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Finding the Fourth Proportional to 8,913.62, 13,357.66 and 5,009.82

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Solution

The fourth proportional to 8,913.62, 13,357.66 and 5,009.82 is: 7,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.62 : 13,357.66 = 5,009.82 : x
  2. Step 2: Convert to fraction form
    8,913.62/13,357.66 = 5,009.82/x
  3. Step 3: Cross multiply
    8,913.62x = 13,357.66 × 5,009.82
  4. Step 4: Simplify right side
    8,913.62x = 66,919,472.22
  5. Step 5: Solve for x
    x = 66,919,472.22/8,913.62
  6. Step 6: Final answer
    x = 7,507.55

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