Finding the Fourth Proportional to 140,073.25, 193,300.84 and 76,411.05

Step by Step Solution

1. Step 1: Write the proportion equation
   140,073.25 : 193,300.84 = 76,411.05 : x
2. Step 2: Convert to fraction form
   140,073.25/193,300.84 = 76,411.05/x
3. Step 3: Cross multiply
   140,073.25x = 193,300.84 × 76,411.05
4. Step 4: Simplify right side
   140,073.25x = 14,770,320,150.28
5. Step 5: Solve for x
   x = 14,770,320,150.28/140,073.25
6. Step 6: Final answer
   x = 105,447.12