Finding the Fourth Proportional to 2,802.10, 4,199.68 and 2,456.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.10 : 4,199.68 = 2,456.10 : x
2. Step 2: Convert to fraction form
   2,802.10/4,199.68 = 2,456.10/x
3. Step 3: Cross multiply
   2,802.10x = 4,199.68 × 2,456.10
4. Step 4: Simplify right side
   2,802.10x = 10,314,834.05
5. Step 5: Solve for x
   x = 10,314,834.05/2,802.10
6. Step 6: Final answer
   x = 3,681.11