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Finding the Fourth Proportional to 5,779.08, 8,662.32 and 2,811.24

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Solution

The fourth proportional to 5,779.08, 8,662.32 and 2,811.24 is: 4,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.08 : 8,662.32 = 2,811.24 : x
  2. Step 2: Convert to fraction form
    5,779.08/8,662.32 = 2,811.24/x
  3. Step 3: Cross multiply
    5,779.08x = 8,662.32 × 2,811.24
  4. Step 4: Simplify right side
    5,779.08x = 24,351,860.48
  5. Step 5: Solve for x
    x = 24,351,860.48/5,779.08
  6. Step 6: Final answer
    x = 4,213.80

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