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Finding the Fourth Proportional to 9,291.06, 13,942.80 and 5,134.14

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Solution

The fourth proportional to 9,291.06, 13,942.80 and 5,134.14 is: 7,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.06 : 13,942.80 = 5,134.14 : x
  2. Step 2: Convert to fraction form
    9,291.06/13,942.80 = 5,134.14/x
  3. Step 3: Cross multiply
    9,291.06x = 13,942.80 × 5,134.14
  4. Step 4: Simplify right side
    9,291.06x = 71,584,287.19
  5. Step 5: Solve for x
    x = 71,584,287.19/9,291.06
  6. Step 6: Final answer
    x = 7,704.64

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