Finding the Fourth Proportional to 2,384.52, 3,290.50 and 1,322.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.52 : 3,290.50 = 1,322.20 : x
2. Step 2: Convert to fraction form
   2,384.52/3,290.50 = 1,322.20/x
3. Step 3: Cross multiply
   2,384.52x = 3,290.50 × 1,322.20
4. Step 4: Simplify right side
   2,384.52x = 4,350,699.10
5. Step 5: Solve for x
   x = 4,350,699.10/2,384.52
6. Step 6: Final answer
   x = 1,824.56