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Finding the Fourth Proportional to 366,455.72, 549,581.52 and 129,734.84

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Solution

The fourth proportional to 366,455.72, 549,581.52 and 129,734.84 is: 194,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,455.72 : 549,581.52 = 129,734.84 : x
  2. Step 2: Convert to fraction form
    366,455.72/549,581.52 = 129,734.84/x
  3. Step 3: Cross multiply
    366,455.72x = 549,581.52 × 129,734.84
  4. Step 4: Simplify right side
    366,455.72x = 71,299,870,564.16
  5. Step 5: Solve for x
    x = 71,299,870,564.16/366,455.72
  6. Step 6: Final answer
    x = 194,566.13

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