Finding the Fourth Proportional to 2,940.24, 4,411.80 and 1,208.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.24 : 4,411.80 = 1,208.88 : x
2. Step 2: Convert to fraction form
   2,940.24/4,411.80 = 1,208.88/x
3. Step 3: Cross multiply
   2,940.24x = 4,411.80 × 1,208.88
4. Step 4: Simplify right side
   2,940.24x = 5,333,336.78
5. Step 5: Solve for x
   x = 5,333,336.78/2,940.24
6. Step 6: Final answer
   x = 1,813.91