Finding the Fourth Proportional to 2,733.78, 4,100.69 and 786.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.78 : 4,100.69 = 786.04 : x
2. Step 2: Convert to fraction form
   2,733.78/4,100.69 = 786.04/x
3. Step 3: Cross multiply
   2,733.78x = 4,100.69 × 786.04
4. Step 4: Simplify right side
   2,733.78x = 3,223,302.44
5. Step 5: Solve for x
   x = 3,223,302.44/2,733.78
6. Step 6: Final answer
   x = 1,179.07