Finding the Fourth Proportional to 198,589.34, 298,096.23 and 80,337.98

Step by Step Solution

1. Step 1: Write the proportion equation
   198,589.34 : 298,096.23 = 80,337.98 : x
2. Step 2: Convert to fraction form
   198,589.34/298,096.23 = 80,337.98/x
3. Step 3: Cross multiply
   198,589.34x = 298,096.23 × 80,337.98
4. Step 4: Simplify right side
   198,589.34x = 23,948,448,963.82
5. Step 5: Solve for x
   x = 23,948,448,963.82/198,589.34
6. Step 6: Final answer
   x = 120,592.82