Finding the Fourth Proportional to 7,150.34, 10,727.18 and 2,219.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,150.34 : 10,727.18 = 2,219.72 : x
2. Step 2: Convert to fraction form
   7,150.34/10,727.18 = 2,219.72/x
3. Step 3: Cross multiply
   7,150.34x = 10,727.18 × 2,219.72
4. Step 4: Simplify right side
   7,150.34x = 23,811,335.99
5. Step 5: Solve for x
   x = 23,811,335.99/7,150.34
6. Step 6: Final answer
   x = 3,330.10