Finding the Fourth Proportional to 2,488.92, 3,733.78 and 845.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.92 : 3,733.78 = 845.29 : x
2. Step 2: Convert to fraction form
   2,488.92/3,733.78 = 845.29/x
3. Step 3: Cross multiply
   2,488.92x = 3,733.78 × 845.29
4. Step 4: Simplify right side
   2,488.92x = 3,156,126.90
5. Step 5: Solve for x
   x = 3,156,126.90/2,488.92
6. Step 6: Final answer
   x = 1,268.07