Finding the Fourth Proportional to 7,172.93, 10,760.06 and 2,790.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,172.93 : 10,760.06 = 2,790.72 : x
2. Step 2: Convert to fraction form
   7,172.93/10,760.06 = 2,790.72/x
3. Step 3: Cross multiply
   7,172.93x = 10,760.06 × 2,790.72
4. Step 4: Simplify right side
   7,172.93x = 30,028,300.69
5. Step 5: Solve for x
   x = 30,028,300.69/7,172.93
6. Step 6: Final answer
   x = 4,186.34