Finding the Fourth Proportional to 82,997.88, 124,496.76 and 30,411.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,997.88 : 124,496.76 = 30,411.48 : x
2. Step 2: Convert to fraction form
   82,997.88/124,496.76 = 30,411.48/x
3. Step 3: Cross multiply
   82,997.88x = 124,496.76 × 30,411.48
4. Step 4: Simplify right side
   82,997.88x = 3,786,130,726.80
5. Step 5: Solve for x
   x = 3,786,130,726.80/82,997.88
6. Step 6: Final answer
   x = 45,617.20