Finding the Fourth Proportional to 141,168.02, 194,756.30 and 80,706.17

Step by Step Solution

1. Step 1: Write the proportion equation
   141,168.02 : 194,756.30 = 80,706.17 : x
2. Step 2: Convert to fraction form
   141,168.02/194,756.30 = 80,706.17/x
3. Step 3: Cross multiply
   141,168.02x = 194,756.30 × 80,706.17
4. Step 4: Simplify right side
   141,168.02x = 15,718,035,442.38
5. Step 5: Solve for x
   x = 15,718,035,442.38/141,168.02
6. Step 6: Final answer
   x = 111,342.75