Finding the Fourth Proportional to 2,751.58, 4,127.78 and 996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,751.58 : 4,127.78 = 996.72 : x
2. Step 2: Convert to fraction form
   2,751.58/4,127.78 = 996.72/x
3. Step 3: Cross multiply
   2,751.58x = 4,127.78 × 996.72
4. Step 4: Simplify right side
   2,751.58x = 4,114,240.88
5. Step 5: Solve for x
   x = 4,114,240.88/2,751.58
6. Step 6: Final answer
   x = 1,495.23