Finding the Fourth Proportional to 2,764.10, 4,138.05 and 2,440.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.10 : 4,138.05 = 2,440.10 : x
2. Step 2: Convert to fraction form
   2,764.10/4,138.05 = 2,440.10/x
3. Step 3: Cross multiply
   2,764.10x = 4,138.05 × 2,440.10
4. Step 4: Simplify right side
   2,764.10x = 10,097,255.81
5. Step 5: Solve for x
   x = 10,097,255.81/2,764.10
6. Step 6: Final answer
   x = 3,653.00