Finding the Fourth Proportional to 2,738.32, 4,107.50 and 790.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.32 : 4,107.50 = 790.52 : x
2. Step 2: Convert to fraction form
   2,738.32/4,107.50 = 790.52/x
3. Step 3: Cross multiply
   2,738.32x = 4,107.50 × 790.52
4. Step 4: Simplify right side
   2,738.32x = 3,247,042.34
5. Step 5: Solve for x
   x = 3,247,042.34/2,738.32
6. Step 6: Final answer
   x = 1,185.78