Finding the Fourth Proportional to 7,172.04, 10,760.88 and 2,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,172.04 : 10,760.88 = 2,789.88 : x
2. Step 2: Convert to fraction form
   7,172.04/10,760.88 = 2,789.88/x
3. Step 3: Cross multiply
   7,172.04x = 10,760.88 × 2,789.88
4. Step 4: Simplify right side
   7,172.04x = 30,021,563.89
5. Step 5: Solve for x
   x = 30,021,563.89/7,172.04
6. Step 6: Final answer
   x = 4,185.92