Finding the Fourth Proportional to 2,552.50, 3,828.72 and 1,322.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.50 : 3,828.72 = 1,322.32 : x
2. Step 2: Convert to fraction form
   2,552.50/3,828.72 = 1,322.32/x
3. Step 3: Cross multiply
   2,552.50x = 3,828.72 × 1,322.32
4. Step 4: Simplify right side
   2,552.50x = 5,062,793.03
5. Step 5: Solve for x
   x = 5,062,793.03/2,552.50
6. Step 6: Final answer
   x = 1,983.46