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Finding the Fourth Proportional to 285,543.39, 428,013.67 and 95,823.87

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Solution

The fourth proportional to 285,543.39, 428,013.67 and 95,823.87 is: 143,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,543.39 : 428,013.67 = 95,823.87 : x
  2. Step 2: Convert to fraction form
    285,543.39/428,013.67 = 95,823.87/x
  3. Step 3: Cross multiply
    285,543.39x = 428,013.67 × 95,823.87
  4. Step 4: Simplify right side
    285,543.39x = 41,013,926,272.30
  5. Step 5: Solve for x
    x = 41,013,926,272.30/285,543.39
  6. Step 6: Final answer
    x = 143,634.65

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