Finding the Fourth Proportional to 142,182.92, 196,122.31 and 108,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182.92 : 196,122.31 = 108,116.72 : x
2. Step 2: Convert to fraction form
   142,182.92/196,122.31 = 108,116.72/x
3. Step 3: Cross multiply
   142,182.92x = 196,122.31 × 108,116.72
4. Step 4: Simplify right side
   142,182.92x = 21,204,100,876.02
5. Step 5: Solve for x
   x = 21,204,100,876.02/142,182.92
6. Step 6: Final answer
   x = 149,132.55