Finding the Fourth Proportional to 140,562.24, 193,980.52 and 80,131.78

Step by Step Solution

1. Step 1: Write the proportion equation
   140,562.24 : 193,980.52 = 80,131.78 : x
2. Step 2: Convert to fraction form
   140,562.24/193,980.52 = 80,131.78/x
3. Step 3: Cross multiply
   140,562.24x = 193,980.52 × 80,131.78
4. Step 4: Simplify right side
   140,562.24x = 15,544,004,695.57
5. Step 5: Solve for x
   x = 15,544,004,695.57/140,562.24
6. Step 6: Final answer
   x = 110,584.50