Finding the Fourth Proportional to 141,010.17, 194,581.71 and 80,568.78

Step by Step Solution

1. Step 1: Write the proportion equation
   141,010.17 : 194,581.71 = 80,568.78 : x
2. Step 2: Convert to fraction form
   141,010.17/194,581.71 = 80,568.78/x
3. Step 3: Cross multiply
   141,010.17x = 194,581.71 × 80,568.78
4. Step 4: Simplify right side
   141,010.17x = 15,677,210,985.01
5. Step 5: Solve for x
   x = 15,677,210,985.01/141,010.17
6. Step 6: Final answer
   x = 111,177.87