Finding the Fourth Proportional to 2,944.89, 4,418.06 and 998.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,944.89 : 4,418.06 = 998.55 : x
2. Step 2: Convert to fraction form
   2,944.89/4,418.06 = 998.55/x
3. Step 3: Cross multiply
   2,944.89x = 4,418.06 × 998.55
4. Step 4: Simplify right side
   2,944.89x = 4,411,648.82
5. Step 5: Solve for x
   x = 4,411,648.82/2,944.89
6. Step 6: Final answer
   x = 1,498.07