Finding the Fourth Proportional to 2,736.24, 3,775.72 and 1,991.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.24 : 3,775.72 = 1,991.04 : x
2. Step 2: Convert to fraction form
   2,736.24/3,775.72 = 1,991.04/x
3. Step 3: Cross multiply
   2,736.24x = 3,775.72 × 1,991.04
4. Step 4: Simplify right side
   2,736.24x = 7,517,615.38
5. Step 5: Solve for x
   x = 7,517,615.38/2,736.24
6. Step 6: Final answer
   x = 2,747.42