Finding the Fourth Proportional to 2,322.90, 3,205.52 and 1,328.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322.90 : 3,205.52 = 1,328.16 : x
2. Step 2: Convert to fraction form
   2,322.90/3,205.52 = 1,328.16/x
3. Step 3: Cross multiply
   2,322.90x = 3,205.52 × 1,328.16
4. Step 4: Simplify right side
   2,322.90x = 4,257,427.42
5. Step 5: Solve for x
   x = 4,257,427.42/2,322.90
6. Step 6: Final answer
   x = 1,832.81