Finding the Fourth Proportional to 2,489.55, 3,734.52 and 758.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489.55 : 3,734.52 = 758.17 : x
2. Step 2: Convert to fraction form
   2,489.55/3,734.52 = 758.17/x
3. Step 3: Cross multiply
   2,489.55x = 3,734.52 × 758.17
4. Step 4: Simplify right side
   2,489.55x = 2,831,401.03
5. Step 5: Solve for x
   x = 2,831,401.03/2,489.55
6. Step 6: Final answer
   x = 1,137.32