Finding the Fourth Proportional to 2,734.19, 4,100.83 and 785.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,734.19 : 4,100.83 = 785.94 : x
2. Step 2: Convert to fraction form
   2,734.19/4,100.83 = 785.94/x
3. Step 3: Cross multiply
   2,734.19x = 4,100.83 × 785.94
4. Step 4: Simplify right side
   2,734.19x = 3,223,002.40
5. Step 5: Solve for x
   x = 3,223,002.40/2,734.19
6. Step 6: Final answer
   x = 1,178.78