Finding the Fourth Proportional to 131,136.59, 196,744.98 and 55,274.41

Step by Step Solution

1. Step 1: Write the proportion equation
   131,136.59 : 196,744.98 = 55,274.41 : x
2. Step 2: Convert to fraction form
   131,136.59/196,744.98 = 55,274.41/x
3. Step 3: Cross multiply
   131,136.59x = 196,744.98 × 55,274.41
4. Step 4: Simplify right side
   131,136.59x = 10,874,962,413.59
5. Step 5: Solve for x
   x = 10,874,962,413.59/131,136.59
6. Step 6: Final answer
   x = 82,928.51