Finding the Fourth Proportional to 82,818.88, 124,190.20 and 26,648.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,818.88 : 124,190.20 = 26,648.60 : x
2. Step 2: Convert to fraction form
   82,818.88/124,190.20 = 26,648.60/x
3. Step 3: Cross multiply
   82,818.88x = 124,190.20 × 26,648.60
4. Step 4: Simplify right side
   82,818.88x = 3,309,494,963.72
5. Step 5: Solve for x
   x = 3,309,494,963.72/82,818.88
6. Step 6: Final answer
   x = 39,960.63