Finding the Fourth Proportional to 1,162.83, 1,604.79 and 769.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.83 : 1,604.79 = 769.17 : x
2. Step 2: Convert to fraction form
   1,162.83/1,604.79 = 769.17/x
3. Step 3: Cross multiply
   1,162.83x = 1,604.79 × 769.17
4. Step 4: Simplify right side
   1,162.83x = 1,234,356.32
5. Step 5: Solve for x
   x = 1,234,356.32/1,162.83
6. Step 6: Final answer
   x = 1,061.51