Finding the Fourth Proportional to 2,945.94, 4,419.54 and 998.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.94 : 4,419.54 = 998.10 : x
2. Step 2: Convert to fraction form
   2,945.94/4,419.54 = 998.10/x
3. Step 3: Cross multiply
   2,945.94x = 4,419.54 × 998.10
4. Step 4: Simplify right side
   2,945.94x = 4,411,142.87
5. Step 5: Solve for x
   x = 4,411,142.87/2,945.94
6. Step 6: Final answer
   x = 1,497.36