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Finding the Fourth Proportional to 261,324.72, 391,985.64 and 95,112.72

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Solution

The fourth proportional to 261,324.72, 391,985.64 and 95,112.72 is: 142,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,324.72 : 391,985.64 = 95,112.72 : x
  2. Step 2: Convert to fraction form
    261,324.72/391,985.64 = 95,112.72/x
  3. Step 3: Cross multiply
    261,324.72x = 391,985.64 × 95,112.72
  4. Step 4: Simplify right side
    261,324.72x = 37,282,820,421.34
  5. Step 5: Solve for x
    x = 37,282,820,421.34/261,324.72
  6. Step 6: Final answer
    x = 142,668.56

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