Finding the Fourth Proportional to 2,490.88, 3,733.78 and 846.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.88 : 3,733.78 = 846.96 : x
2. Step 2: Convert to fraction form
   2,490.88/3,733.78 = 846.96/x
3. Step 3: Cross multiply
   2,490.88x = 3,733.78 × 846.96
4. Step 4: Simplify right side
   2,490.88x = 3,162,362.31
5. Step 5: Solve for x
   x = 3,162,362.31/2,490.88
6. Step 6: Final answer
   x = 1,269.58