Finding the Fourth Proportional to 2,940.88, 4,412.46 and 1,092.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.88 : 4,412.46 = 1,092.04 : x
2. Step 2: Convert to fraction form
   2,940.88/4,412.46 = 1,092.04/x
3. Step 3: Cross multiply
   2,940.88x = 4,412.46 × 1,092.04
4. Step 4: Simplify right side
   2,940.88x = 4,818,582.82
5. Step 5: Solve for x
   x = 4,818,582.82/2,940.88
6. Step 6: Final answer
   x = 1,638.48