Finding the Fourth Proportional to 2,323.83, 3,204.60 and 2,131.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.83 : 3,204.60 = 2,131.75 : x
2. Step 2: Convert to fraction form
   2,323.83/3,204.60 = 2,131.75/x
3. Step 3: Cross multiply
   2,323.83x = 3,204.60 × 2,131.75
4. Step 4: Simplify right side
   2,323.83x = 6,831,390.03
5. Step 5: Solve for x
   x = 6,831,390.03/2,323.83
6. Step 6: Final answer
   x = 2,939.71