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Finding the Fourth Proportional to 357,636.38, 536,455.08 and 91,397.18

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Solution

The fourth proportional to 357,636.38, 536,455.08 and 91,397.18 is: 137,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,636.38 : 536,455.08 = 91,397.18 : x
  2. Step 2: Convert to fraction form
    357,636.38/536,455.08 = 91,397.18/x
  3. Step 3: Cross multiply
    357,636.38x = 536,455.08 × 91,397.18
  4. Step 4: Simplify right side
    357,636.38x = 49,030,481,508.67
  5. Step 5: Solve for x
    x = 49,030,481,508.67/357,636.38
  6. Step 6: Final answer
    x = 137,095.90

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