Finding the Fourth Proportional to 2,945.88, 4,415.76 and 996.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.88 : 4,415.76 = 996.48 : x
2. Step 2: Convert to fraction form
   2,945.88/4,415.76 = 996.48/x
3. Step 3: Cross multiply
   2,945.88x = 4,415.76 × 996.48
4. Step 4: Simplify right side
   2,945.88x = 4,400,216.52
5. Step 5: Solve for x
   x = 4,400,216.52/2,945.88
6. Step 6: Final answer
   x = 1,493.68