Finding the Fourth Proportional to 2,803.37, 3,868.35 and 1,684.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,803.37 : 3,868.35 = 1,684.31 : x
2. Step 2: Convert to fraction form
   2,803.37/3,868.35 = 1,684.31/x
3. Step 3: Cross multiply
   2,803.37x = 3,868.35 × 1,684.31
4. Step 4: Simplify right side
   2,803.37x = 6,515,500.59
5. Step 5: Solve for x
   x = 6,515,500.59/2,803.37
6. Step 6: Final answer
   x = 2,324.17