Finding the Fourth Proportional to 1,522.29, 2,281.83 and 863.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.29 : 2,281.83 = 863.34 : x
2. Step 2: Convert to fraction form
   1,522.29/2,281.83 = 863.34/x
3. Step 3: Cross multiply
   1,522.29x = 2,281.83 × 863.34
4. Step 4: Simplify right side
   1,522.29x = 1,969,995.11
5. Step 5: Solve for x
   x = 1,969,995.11/1,522.29
6. Step 6: Final answer
   x = 1,294.10