Finding the Fourth Proportional to 2,553.81, 3,832.98 and 1,322.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.81 : 3,832.98 = 1,322.10 : x
2. Step 2: Convert to fraction form
   2,553.81/3,832.98 = 1,322.10/x
3. Step 3: Cross multiply
   2,553.81x = 3,832.98 × 1,322.10
4. Step 4: Simplify right side
   2,553.81x = 5,067,582.86
5. Step 5: Solve for x
   x = 5,067,582.86/2,553.81
6. Step 6: Final answer
   x = 1,984.32