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Finding the Fourth Proportional to 7,244.80, 10,867.20 and 7,106.56

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Solution

The fourth proportional to 7,244.80, 10,867.20 and 7,106.56 is: 10,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.80 : 10,867.20 = 7,106.56 : x
  2. Step 2: Convert to fraction form
    7,244.80/10,867.20 = 7,106.56/x
  3. Step 3: Cross multiply
    7,244.80x = 10,867.20 × 7,106.56
  4. Step 4: Simplify right side
    7,244.80x = 77,228,408.83
  5. Step 5: Solve for x
    x = 77,228,408.83/7,244.80
  6. Step 6: Final answer
    x = 10,659.84

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