Finding the Fourth Proportional to 141,993.72, 195,946.86 and 80,746.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,993.72 : 195,946.86 = 80,746.56 : x
2. Step 2: Convert to fraction form
   141,993.72/195,946.86 = 80,746.56/x
3. Step 3: Cross multiply
   141,993.72x = 195,946.86 × 80,746.56
4. Step 4: Simplify right side
   141,993.72x = 15,822,034,887.80
5. Step 5: Solve for x
   x = 15,822,034,887.80/141,993.72
6. Step 6: Final answer
   x = 111,427.71