Finding the Fourth Proportional to 2,293.98, 3,438.82 and 832.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.98 : 3,438.82 = 832.78 : x
2. Step 2: Convert to fraction form
   2,293.98/3,438.82 = 832.78/x
3. Step 3: Cross multiply
   2,293.98x = 3,438.82 × 832.78
4. Step 4: Simplify right side
   2,293.98x = 2,863,780.52
5. Step 5: Solve for x
   x = 2,863,780.52/2,293.98
6. Step 6: Final answer
   x = 1,248.39