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Finding the Fourth Proportional to 70,908.59, 97,853.19 and 39,077.21

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Solution

The fourth proportional to 70,908.59, 97,853.19 and 39,077.21 is: 53,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,908.59 : 97,853.19 = 39,077.21 : x
  2. Step 2: Convert to fraction form
    70,908.59/97,853.19 = 39,077.21/x
  3. Step 3: Cross multiply
    70,908.59x = 97,853.19 × 39,077.21
  4. Step 4: Simplify right side
    70,908.59x = 3,823,829,654.80
  5. Step 5: Solve for x
    x = 3,823,829,654.80/70,908.59
  6. Step 6: Final answer
    x = 53,926.18

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