Finding the Fourth Proportional to 2,076.90, 2,862.69 and 1,683.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.90 : 2,862.69 = 1,683.24 : x
2. Step 2: Convert to fraction form
   2,076.90/2,862.69 = 1,683.24/x
3. Step 3: Cross multiply
   2,076.90x = 2,862.69 × 1,683.24
4. Step 4: Simplify right side
   2,076.90x = 4,818,594.32
5. Step 5: Solve for x
   x = 4,818,594.32/2,076.90
6. Step 6: Final answer
   x = 2,320.09