Finding the Fourth Proportional to 139,972.43, 193,101 and 88,957.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,972.43 : 193,101 = 88,957.82 : x
2. Step 2: Convert to fraction form
   139,972.43/193,101 = 88,957.82/x
3. Step 3: Cross multiply
   139,972.43x = 193,101 × 88,957.82
4. Step 4: Simplify right side
   139,972.43x = 17,177,843,034.32
5. Step 5: Solve for x
   x = 17,177,843,034.32/139,972.43
6. Step 6: Final answer
   x = 122,723.05