Finding the Fourth Proportional to 141,114.39, 194,737.61 and 80,686.17

Step by Step Solution

1. Step 1: Write the proportion equation
   141,114.39 : 194,737.61 = 80,686.17 : x
2. Step 2: Convert to fraction form
   141,114.39/194,737.61 = 80,686.17/x
3. Step 3: Cross multiply
   141,114.39x = 194,737.61 × 80,686.17
4. Step 4: Simplify right side
   141,114.39x = 15,712,631,502.42
5. Step 5: Solve for x
   x = 15,712,631,502.42/141,114.39
6. Step 6: Final answer
   x = 111,346.77