Finding the Fourth Proportional to 2,749.10, 3,791.27 and 2,457.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,749.10 : 3,791.27 = 2,457.50 : x
2. Step 2: Convert to fraction form
   2,749.10/3,791.27 = 2,457.50/x
3. Step 3: Cross multiply
   2,749.10x = 3,791.27 × 2,457.50
4. Step 4: Simplify right side
   2,749.10x = 9,317,033.21
5. Step 5: Solve for x
   x = 9,317,033.21/2,749.10
6. Step 6: Final answer
   x = 3,389.13