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Finding the Fourth Proportional to 7,719.88, 11,574.06 and 3,614.92

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Solution

The fourth proportional to 7,719.88, 11,574.06 and 3,614.92 is: 5,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.88 : 11,574.06 = 3,614.92 : x
  2. Step 2: Convert to fraction form
    7,719.88/11,574.06 = 3,614.92/x
  3. Step 3: Cross multiply
    7,719.88x = 11,574.06 × 3,614.92
  4. Step 4: Simplify right side
    7,719.88x = 41,839,300.98
  5. Step 5: Solve for x
    x = 41,839,300.98/7,719.88
  6. Step 6: Final answer
    x = 5,419.68

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