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Finding the Fourth Proportional to 7,054.80, 10,582.20 and 5,742.60

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Solution

The fourth proportional to 7,054.80, 10,582.20 and 5,742.60 is: 8,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.80 : 10,582.20 = 5,742.60 : x
  2. Step 2: Convert to fraction form
    7,054.80/10,582.20 = 5,742.60/x
  3. Step 3: Cross multiply
    7,054.80x = 10,582.20 × 5,742.60
  4. Step 4: Simplify right side
    7,054.80x = 60,769,341.72
  5. Step 5: Solve for x
    x = 60,769,341.72/7,054.80
  6. Step 6: Final answer
    x = 8,613.90

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