Finding the Fourth Proportional to 1,104.89, 1,524.83 and 774.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.89 : 1,524.83 = 774.11 : x
2. Step 2: Convert to fraction form
   1,104.89/1,524.83 = 774.11/x
3. Step 3: Cross multiply
   1,104.89x = 1,524.83 × 774.11
4. Step 4: Simplify right side
   1,104.89x = 1,180,384.86
5. Step 5: Solve for x
   x = 1,180,384.86/1,104.89
6. Step 6: Final answer
   x = 1,068.33