Finding the Fourth Proportional to 82,938.83, 124,432.55 and 26,777.89

Step by Step Solution

1. Step 1: Write the proportion equation
   82,938.83 : 124,432.55 = 26,777.89 : x
2. Step 2: Convert to fraction form
   82,938.83/124,432.55 = 26,777.89/x
3. Step 3: Cross multiply
   82,938.83x = 124,432.55 × 26,777.89
4. Step 4: Simplify right side
   82,938.83x = 3,332,040,380.27
5. Step 5: Solve for x
   x = 3,332,040,380.27/82,938.83
6. Step 6: Final answer
   x = 40,174.67