Finding the Fourth Proportional to 142,592.74, 196,568.42 and 108,541.92

Step by Step Solution

1. Step 1: Write the proportion equation
   142,592.74 : 196,568.42 = 108,541.92 : x
2. Step 2: Convert to fraction form
   142,592.74/196,568.42 = 108,541.92/x
3. Step 3: Cross multiply
   142,592.74x = 196,568.42 × 108,541.92
4. Step 4: Simplify right side
   142,592.74x = 21,335,913,718.17
5. Step 5: Solve for x
   x = 21,335,913,718.17/142,592.74
6. Step 6: Final answer
   x = 149,628.33