Finding the Fourth Proportional to 82,755.94, 124,133.72 and 30,143.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82,755.94 : 124,133.72 = 30,143.92 : x
2. Step 2: Convert to fraction form
   82,755.94/124,133.72 = 30,143.92/x
3. Step 3: Cross multiply
   82,755.94x = 124,133.72 × 30,143.92
4. Step 4: Simplify right side
   82,755.94x = 3,741,876,924.98
5. Step 5: Solve for x
   x = 3,741,876,924.98/82,755.94
6. Step 6: Final answer
   x = 45,215.81