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Finding the Fourth Proportional to 11,559.91, 15,936.79 and 7,308.84

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Solution

The fourth proportional to 11,559.91, 15,936.79 and 7,308.84 is: 10,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.91 : 15,936.79 = 7,308.84 : x
  2. Step 2: Convert to fraction form
    11,559.91/15,936.79 = 7,308.84/x
  3. Step 3: Cross multiply
    11,559.91x = 15,936.79 × 7,308.84
  4. Step 4: Simplify right side
    11,559.91x = 116,479,411.68
  5. Step 5: Solve for x
    x = 116,479,411.68/11,559.91
  6. Step 6: Final answer
    x = 10,076.16

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