Finding the Fourth Proportional to 83,105.46, 124,658.15 and 20,775.96

Step by Step Solution

1. Step 1: Write the proportion equation
   83,105.46 : 124,658.15 = 20,775.96 : x
2. Step 2: Convert to fraction form
   83,105.46/124,658.15 = 20,775.96/x
3. Step 3: Cross multiply
   83,105.46x = 124,658.15 × 20,775.96
4. Step 4: Simplify right side
   83,105.46x = 2,589,892,634.19
5. Step 5: Solve for x
   x = 2,589,892,634.19/83,105.46
6. Step 6: Final answer
   x = 31,163.93