Finding the Fourth Proportional to 2,738.28, 4,106.20 and 790.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.28 : 4,106.20 = 790.02 : x
2. Step 2: Convert to fraction form
   2,738.28/4,106.20 = 790.02/x
3. Step 3: Cross multiply
   2,738.28x = 4,106.20 × 790.02
4. Step 4: Simplify right side
   2,738.28x = 3,243,980.12
5. Step 5: Solve for x
   x = 3,243,980.12/2,738.28
6. Step 6: Final answer
   x = 1,184.68