Finding the Fourth Proportional to 2,265.24, 3,128.52 and 1,522.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.24 : 3,128.52 = 1,522.20 : x
2. Step 2: Convert to fraction form
   2,265.24/3,128.52 = 1,522.20/x
3. Step 3: Cross multiply
   2,265.24x = 3,128.52 × 1,522.20
4. Step 4: Simplify right side
   2,265.24x = 4,762,233.14
5. Step 5: Solve for x
   x = 4,762,233.14/2,265.24
6. Step 6: Final answer
   x = 2,102.31