Finding the Fourth Proportional to 2,490.41, 3,734.78 and 846.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.41 : 3,734.78 = 846.59 : x
2. Step 2: Convert to fraction form
   2,490.41/3,734.78 = 846.59/x
3. Step 3: Cross multiply
   2,490.41x = 3,734.78 × 846.59
4. Step 4: Simplify right side
   2,490.41x = 3,161,804.49
5. Step 5: Solve for x
   x = 3,161,804.49/2,490.41
6. Step 6: Final answer
   x = 1,269.59