Finding the Fourth Proportional to 140,935.60, 194,492.72 and 80,514.24

Step by Step Solution

1. Step 1: Write the proportion equation
   140,935.60 : 194,492.72 = 80,514.24 : x
2. Step 2: Convert to fraction form
   140,935.60/194,492.72 = 80,514.24/x
3. Step 3: Cross multiply
   140,935.60x = 194,492.72 × 80,514.24
4. Step 4: Simplify right side
   140,935.60x = 15,659,433,536.33
5. Step 5: Solve for x
   x = 15,659,433,536.33/140,935.60
6. Step 6: Final answer
   x = 111,110.56