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Finding the Fourth Proportional to 5,919.92, 8,878.66 and 1,759.86

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Solution

The fourth proportional to 5,919.92, 8,878.66 and 1,759.86 is: 2,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.92 : 8,878.66 = 1,759.86 : x
  2. Step 2: Convert to fraction form
    5,919.92/8,878.66 = 1,759.86/x
  3. Step 3: Cross multiply
    5,919.92x = 8,878.66 × 1,759.86
  4. Step 4: Simplify right side
    5,919.92x = 15,625,145.40
  5. Step 5: Solve for x
    x = 15,625,145.40/5,919.92
  6. Step 6: Final answer
    x = 2,639.42

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