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Finding the Fourth Proportional to 5,684.57, 8,528.20 and 1,788.98

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Solution

The fourth proportional to 5,684.57, 8,528.20 and 1,788.98 is: 2,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684.57 : 8,528.20 = 1,788.98 : x
  2. Step 2: Convert to fraction form
    5,684.57/8,528.20 = 1,788.98/x
  3. Step 3: Cross multiply
    5,684.57x = 8,528.20 × 1,788.98
  4. Step 4: Simplify right side
    5,684.57x = 15,256,779.24
  5. Step 5: Solve for x
    x = 15,256,779.24/5,684.57
  6. Step 6: Final answer
    x = 2,683.89

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