Finding the Fourth Proportional to 1,522.26, 2,281.22 and 753.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.26 : 2,281.22 = 753.30 : x
2. Step 2: Convert to fraction form
   1,522.26/2,281.22 = 753.30/x
3. Step 3: Cross multiply
   1,522.26x = 2,281.22 × 753.30
4. Step 4: Simplify right side
   1,522.26x = 1,718,443.03
5. Step 5: Solve for x
   x = 1,718,443.03/1,522.26
6. Step 6: Final answer
   x = 1,128.88