Finding the Fourth Proportional to 2,503.31, 3,754.82 and 748.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.31 : 3,754.82 = 748.32 : x
2. Step 2: Convert to fraction form
   2,503.31/3,754.82 = 748.32/x
3. Step 3: Cross multiply
   2,503.31x = 3,754.82 × 748.32
4. Step 4: Simplify right side
   2,503.31x = 2,809,803.16
5. Step 5: Solve for x
   x = 2,809,803.16/2,503.31
6. Step 6: Final answer
   x = 1,122.44