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Finding the Fourth Proportional to 123,782.58, 170,826.57 and 70,079.58

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Solution

The fourth proportional to 123,782.58, 170,826.57 and 70,079.58 is: 96,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,782.58 : 170,826.57 = 70,079.58 : x
  2. Step 2: Convert to fraction form
    123,782.58/170,826.57 = 70,079.58/x
  3. Step 3: Cross multiply
    123,782.58x = 170,826.57 × 70,079.58
  4. Step 4: Simplify right side
    123,782.58x = 11,971,454,278.44
  5. Step 5: Solve for x
    x = 11,971,454,278.44/123,782.58
  6. Step 6: Final answer
    x = 96,713.56

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