Finding the Fourth Proportional to 2,802.72, 3,867.39 and 1,683.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.72 : 3,867.39 = 1,683.48 : x
2. Step 2: Convert to fraction form
   2,802.72/3,867.39 = 1,683.48/x
3. Step 3: Cross multiply
   2,802.72x = 3,867.39 × 1,683.48
4. Step 4: Simplify right side
   2,802.72x = 6,510,673.72
5. Step 5: Solve for x
   x = 6,510,673.72/2,802.72
6. Step 6: Final answer
   x = 2,322.98