Finding the Fourth Proportional to 131,111.10, 196,724.43 and 68,767.02

Step by Step Solution

1. Step 1: Write the proportion equation
   131,111.10 : 196,724.43 = 68,767.02 : x
2. Step 2: Convert to fraction form
   131,111.10/196,724.43 = 68,767.02/x
3. Step 3: Cross multiply
   131,111.10x = 196,724.43 × 68,767.02
4. Step 4: Simplify right side
   131,111.10x = 13,528,152,812.30
5. Step 5: Solve for x
   x = 13,528,152,812.30/131,111.10
6. Step 6: Final answer
   x = 103,180.84