Finding the Fourth Proportional to 2,597.32, 3,896.10 and 748.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.32 : 3,896.10 = 748.57 : x
2. Step 2: Convert to fraction form
   2,597.32/3,896.10 = 748.57/x
3. Step 3: Cross multiply
   2,597.32x = 3,896.10 × 748.57
4. Step 4: Simplify right side
   2,597.32x = 2,916,503.58
5. Step 5: Solve for x
   x = 2,916,503.58/2,597.32
6. Step 6: Final answer
   x = 1,122.89