Finding the Fourth Proportional to 148,162.92, 204,442.83 and 89,989.38

Step by Step Solution

1. Step 1: Write the proportion equation
   148,162.92 : 204,442.83 = 89,989.38 : x
2. Step 2: Convert to fraction form
   148,162.92/204,442.83 = 89,989.38/x
3. Step 3: Cross multiply
   148,162.92x = 204,442.83 × 89,989.38
4. Step 4: Simplify right side
   148,162.92x = 18,397,683,517.15
5. Step 5: Solve for x
   x = 18,397,683,517.15/148,162.92
6. Step 6: Final answer
   x = 124,171.98