Finding the Fourth Proportional to 2,940.59, 4,410.90 and 749.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.59 : 4,410.90 = 749.32 : x
2. Step 2: Convert to fraction form
   2,940.59/4,410.90 = 749.32/x
3. Step 3: Cross multiply
   2,940.59x = 4,410.90 × 749.32
4. Step 4: Simplify right side
   2,940.59x = 3,305,153.53
5. Step 5: Solve for x
   x = 3,305,153.53/2,940.59
6. Step 6: Final answer
   x = 1,123.98