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Finding the Fourth Proportional to 5,760.66, 8,641.78 and 1,863.76

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Solution

The fourth proportional to 5,760.66, 8,641.78 and 1,863.76 is: 2,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.66 : 8,641.78 = 1,863.76 : x
  2. Step 2: Convert to fraction form
    5,760.66/8,641.78 = 1,863.76/x
  3. Step 3: Cross multiply
    5,760.66x = 8,641.78 × 1,863.76
  4. Step 4: Simplify right side
    5,760.66x = 16,106,203.89
  5. Step 5: Solve for x
    x = 16,106,203.89/5,760.66
  6. Step 6: Final answer
    x = 2,795.90

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