Finding the Fourth Proportional to 2,489.89, 3,733.48 and 758.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489.89 : 3,733.48 = 758.29 : x
2. Step 2: Convert to fraction form
   2,489.89/3,733.48 = 758.29/x
3. Step 3: Cross multiply
   2,489.89x = 3,733.48 × 758.29
4. Step 4: Simplify right side
   2,489.89x = 2,831,060.55
5. Step 5: Solve for x
   x = 2,831,060.55/2,489.89
6. Step 6: Final answer
   x = 1,137.02