Finding the Fourth Proportional to 4,002.20, 5,522.15 and 2,322.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,002.20 : 5,522.15 = 2,322.63 : x
2. Step 2: Convert to fraction form
   4,002.20/5,522.15 = 2,322.63/x
3. Step 3: Cross multiply
   4,002.20x = 5,522.15 × 2,322.63
4. Step 4: Simplify right side
   4,002.20x = 12,825,899.64
5. Step 5: Solve for x
   x = 12,825,899.64/4,002.20
6. Step 6: Final answer
   x = 3,204.72