Finding the Fourth Proportional to 141,065.01, 194,669.72 and 80,636.97

Step by Step Solution

1. Step 1: Write the proportion equation
   141,065.01 : 194,669.72 = 80,636.97 : x
2. Step 2: Convert to fraction form
   141,065.01/194,669.72 = 80,636.97/x
3. Step 3: Cross multiply
   141,065.01x = 194,669.72 × 80,636.97
4. Step 4: Simplify right side
   141,065.01x = 15,697,576,371.55
5. Step 5: Solve for x
   x = 15,697,576,371.55/141,065.01
6. Step 6: Final answer
   x = 111,279.02