Finding the Fourth Proportional to 2,802.88, 3,866.16 and 2,707.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.88 : 3,866.16 = 2,707.84 : x
2. Step 2: Convert to fraction form
   2,802.88/3,866.16 = 2,707.84/x
3. Step 3: Cross multiply
   2,802.88x = 3,866.16 × 2,707.84
4. Step 4: Simplify right side
   2,802.88x = 10,468,942.69
5. Step 5: Solve for x
   x = 10,468,942.69/2,802.88
6. Step 6: Final answer
   x = 3,735.07