Finding the Fourth Proportional to 82,912.48, 124,386.42 and 26,755.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,912.48 : 124,386.42 = 26,755.78 : x
2. Step 2: Convert to fraction form
   82,912.48/124,386.42 = 26,755.78/x
3. Step 3: Cross multiply
   82,912.48x = 124,386.42 × 26,755.78
4. Step 4: Simplify right side
   82,912.48x = 3,328,055,688.51
5. Step 5: Solve for x
   x = 3,328,055,688.51/82,912.48
6. Step 6: Final answer
   x = 40,139.38