Finding the Fourth Proportional to 2,736.96, 4,104.81 and 788.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.96 : 4,104.81 = 788.73 : x
2. Step 2: Convert to fraction form
   2,736.96/4,104.81 = 788.73/x
3. Step 3: Cross multiply
   2,736.96x = 4,104.81 × 788.73
4. Step 4: Simplify right side
   2,736.96x = 3,237,586.79
5. Step 5: Solve for x
   x = 3,237,586.79/2,736.96
6. Step 6: Final answer
   x = 1,182.91