Finding the Fourth Proportional to 131,989.95, 198,083.34 and 53,104.86

Step by Step Solution

1. Step 1: Write the proportion equation
   131,989.95 : 198,083.34 = 53,104.86 : x
2. Step 2: Convert to fraction form
   131,989.95/198,083.34 = 53,104.86/x
3. Step 3: Cross multiply
   131,989.95x = 198,083.34 × 53,104.86
4. Step 4: Simplify right side
   131,989.95x = 10,519,188,039.03
5. Step 5: Solve for x
   x = 10,519,188,039.03/131,989.95
6. Step 6: Final answer
   x = 79,696.89