Finding the Fourth Proportional to 2,598.08, 3,896.39 and 748.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.08 : 3,896.39 = 748.69 : x
2. Step 2: Convert to fraction form
   2,598.08/3,896.39 = 748.69/x
3. Step 3: Cross multiply
   2,598.08x = 3,896.39 × 748.69
4. Step 4: Simplify right side
   2,598.08x = 2,917,188.23
5. Step 5: Solve for x
   x = 2,917,188.23/2,598.08
6. Step 6: Final answer
   x = 1,122.82