Finding the Fourth Proportional to 1,104.29, 1,522.32 and 771.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.29 : 1,522.32 = 771.69 : x
2. Step 2: Convert to fraction form
   1,104.29/1,522.32 = 771.69/x
3. Step 3: Cross multiply
   1,104.29x = 1,522.32 × 771.69
4. Step 4: Simplify right side
   1,104.29x = 1,174,747.65
5. Step 5: Solve for x
   x = 1,174,747.65/1,104.29
6. Step 6: Final answer
   x = 1,063.80