Finding the Fourth Proportional to 1,104.34, 1,522.42 and 789.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.34 : 1,522.42 = 789.52 : x
2. Step 2: Convert to fraction form
   1,104.34/1,522.42 = 789.52/x
3. Step 3: Cross multiply
   1,104.34x = 1,522.42 × 789.52
4. Step 4: Simplify right side
   1,104.34x = 1,201,981.04
5. Step 5: Solve for x
   x = 1,201,981.04/1,104.34
6. Step 6: Final answer
   x = 1,088.42