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Finding the Fourth Proportional to 5,905.80, 8,865.90 and 5,862.60

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Solution

The fourth proportional to 5,905.80, 8,865.90 and 5,862.60 is: 8,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.80 : 8,865.90 = 5,862.60 : x
  2. Step 2: Convert to fraction form
    5,905.80/8,865.90 = 5,862.60/x
  3. Step 3: Cross multiply
    5,905.80x = 8,865.90 × 5,862.60
  4. Step 4: Simplify right side
    5,905.80x = 51,977,225.34
  5. Step 5: Solve for x
    x = 51,977,225.34/5,905.80
  6. Step 6: Final answer
    x = 8,801.05

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