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Finding the Fourth Proportional to 70,425.24, 105,638.10 and 17,834.70

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Solution

The fourth proportional to 70,425.24, 105,638.10 and 17,834.70 is: 26,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,425.24 : 105,638.10 = 17,834.70 : x
  2. Step 2: Convert to fraction form
    70,425.24/105,638.10 = 17,834.70/x
  3. Step 3: Cross multiply
    70,425.24x = 105,638.10 × 17,834.70
  4. Step 4: Simplify right side
    70,425.24x = 1,884,023,822.07
  5. Step 5: Solve for x
    x = 1,884,023,822.07/70,425.24
  6. Step 6: Final answer
    x = 26,752.11

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