Finding the Fourth Proportional to 2,489.34, 3,734.10 and 845.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489.34 : 3,734.10 = 845.94 : x
2. Step 2: Convert to fraction form
   2,489.34/3,734.10 = 845.94/x
3. Step 3: Cross multiply
   2,489.34x = 3,734.10 × 845.94
4. Step 4: Simplify right side
   2,489.34x = 3,158,824.55
5. Step 5: Solve for x
   x = 3,158,824.55/2,489.34
6. Step 6: Final answer
   x = 1,268.94