Finding the Fourth Proportional to 82,998.38, 124,497.50 and 30,411.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82,998.38 : 124,497.50 = 30,411.98 : x
2. Step 2: Convert to fraction form
   82,998.38/124,497.50 = 30,411.98/x
3. Step 3: Cross multiply
   82,998.38x = 124,497.50 × 30,411.98
4. Step 4: Simplify right side
   82,998.38x = 3,786,215,480.05
5. Step 5: Solve for x
   x = 3,786,215,480.05/82,998.38
6. Step 6: Final answer
   x = 45,617.94