Finding the Fourth Proportional to 2,508.42, 3,761.60 and 752.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.42 : 3,761.60 = 752.81 : x
2. Step 2: Convert to fraction form
   2,508.42/3,761.60 = 752.81/x
3. Step 3: Cross multiply
   2,508.42x = 3,761.60 × 752.81
4. Step 4: Simplify right side
   2,508.42x = 2,831,770.10
5. Step 5: Solve for x
   x = 2,831,770.10/2,508.42
6. Step 6: Final answer
   x = 1,128.91