Finding the Fourth Proportional to 112,196.52, 168,134.40 and 82,380.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,196.52 : 168,134.40 = 82,380.42 : x
2. Step 2: Convert to fraction form
   112,196.52/168,134.40 = 82,380.42/x
3. Step 3: Cross multiply
   112,196.52x = 168,134.40 × 82,380.42
4. Step 4: Simplify right side
   112,196.52x = 13,850,982,488.45
5. Step 5: Solve for x
   x = 13,850,982,488.45/112,196.52
6. Step 6: Final answer
   x = 123,452.87