Finding the Fourth Proportional to 2,802.88, 3,867.42 and 2,384.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.88 : 3,867.42 = 2,384.92 : x
2. Step 2: Convert to fraction form
   2,802.88/3,867.42 = 2,384.92/x
3. Step 3: Cross multiply
   2,802.88x = 3,867.42 × 2,384.92
4. Step 4: Simplify right side
   2,802.88x = 9,223,487.31
5. Step 5: Solve for x
   x = 9,223,487.31/2,802.88
6. Step 6: Final answer
   x = 3,290.72