Finding the Fourth Proportional to 2,735.81, 4,103.91 and 788.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,735.81 : 4,103.91 = 788.18 : x
2. Step 2: Convert to fraction form
   2,735.81/4,103.91 = 788.18/x
3. Step 3: Cross multiply
   2,735.81x = 4,103.91 × 788.18
4. Step 4: Simplify right side
   2,735.81x = 3,234,619.78
5. Step 5: Solve for x
   x = 3,234,619.78/2,735.81
6. Step 6: Final answer
   x = 1,182.33