Finding the Fourth Proportional to 7,170.27, 10,756.76 and 2,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,170.27 : 10,756.76 = 2,238.72 : x
2. Step 2: Convert to fraction form
   7,170.27/10,756.76 = 2,238.72/x
3. Step 3: Cross multiply
   7,170.27x = 10,756.76 × 2,238.72
4. Step 4: Simplify right side
   7,170.27x = 24,081,362.55
5. Step 5: Solve for x
   x = 24,081,362.55/7,170.27
6. Step 6: Final answer
   x = 3,358.50