Finding the Fourth Proportional to 142,049.76, 196,099.56 and 88,352.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,049.76 : 196,099.56 = 88,352.04 : x
2. Step 2: Convert to fraction form
   142,049.76/196,099.56 = 88,352.04/x
3. Step 3: Cross multiply
   142,049.76x = 196,099.56 × 88,352.04
4. Step 4: Simplify right side
   142,049.76x = 17,325,796,169.10
5. Step 5: Solve for x
   x = 17,325,796,169.10/142,049.76
6. Step 6: Final answer
   x = 121,969.91