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Finding the Fourth Proportional to 9,300.11, 13,932.56 and 7,209.88

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Solution

The fourth proportional to 9,300.11, 13,932.56 and 7,209.88 is: 10,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300.11 : 13,932.56 = 7,209.88 : x
  2. Step 2: Convert to fraction form
    9,300.11/13,932.56 = 7,209.88/x
  3. Step 3: Cross multiply
    9,300.11x = 13,932.56 × 7,209.88
  4. Step 4: Simplify right side
    9,300.11x = 100,452,068.89
  5. Step 5: Solve for x
    x = 100,452,068.89/9,300.11
  6. Step 6: Final answer
    x = 10,801.18

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