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Finding the Fourth Proportional to 10,559.02, 15,844.01 and 7,661.25

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Solution

The fourth proportional to 10,559.02, 15,844.01 and 7,661.25 is: 11,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.02 : 15,844.01 = 7,661.25 : x
  2. Step 2: Convert to fraction form
    10,559.02/15,844.01 = 7,661.25/x
  3. Step 3: Cross multiply
    10,559.02x = 15,844.01 × 7,661.25
  4. Step 4: Simplify right side
    10,559.02x = 121,384,921.61
  5. Step 5: Solve for x
    x = 121,384,921.61/10,559.02
  6. Step 6: Final answer
    x = 11,495.85

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