Finding the Fourth Proportional to 1,162.04, 1,604.06 and 768.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.04 : 1,604.06 = 768.92 : x
2. Step 2: Convert to fraction form
   1,162.04/1,604.06 = 768.92/x
3. Step 3: Cross multiply
   1,162.04x = 1,604.06 × 768.92
4. Step 4: Simplify right side
   1,162.04x = 1,233,393.82
5. Step 5: Solve for x
   x = 1,233,393.82/1,162.04
6. Step 6: Final answer
   x = 1,061.40