Finding the Fourth Proportional to 7,177.82, 10,762.59 and 2,790.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,177.82 : 10,762.59 = 2,790.15 : x
2. Step 2: Convert to fraction form
   7,177.82/10,762.59 = 2,790.15/x
3. Step 3: Cross multiply
   7,177.82x = 10,762.59 × 2,790.15
4. Step 4: Simplify right side
   7,177.82x = 30,029,240.49
5. Step 5: Solve for x
   x = 30,029,240.49/7,177.82
6. Step 6: Final answer
   x = 4,183.61