Finding the Fourth Proportional to 82,896.73, 124,375.89 and 57,582.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82,896.73 : 124,375.89 = 57,582.91 : x
2. Step 2: Convert to fraction form
   82,896.73/124,375.89 = 57,582.91/x
3. Step 3: Cross multiply
   82,896.73x = 124,375.89 × 57,582.91
4. Step 4: Simplify right side
   82,896.73x = 7,161,925,596.04
5. Step 5: Solve for x
   x = 7,161,925,596.04/82,896.73
6. Step 6: Final answer
   x = 86,395.75