Finding the Fourth Proportional to 2,070.72, 3,104.16 and 773.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.72 : 3,104.16 = 773.04 : x
2. Step 2: Convert to fraction form
   2,070.72/3,104.16 = 773.04/x
3. Step 3: Cross multiply
   2,070.72x = 3,104.16 × 773.04
4. Step 4: Simplify right side
   2,070.72x = 2,399,639.85
5. Step 5: Solve for x
   x = 2,399,639.85/2,070.72
6. Step 6: Final answer
   x = 1,158.84