Finding the Fourth Proportional to 7,080.72, 10,622.76 and 2,150.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,080.72 : 10,622.76 = 2,150.64 : x
2. Step 2: Convert to fraction form
   7,080.72/10,622.76 = 2,150.64/x
3. Step 3: Cross multiply
   7,080.72x = 10,622.76 × 2,150.64
4. Step 4: Simplify right side
   7,080.72x = 22,845,732.57
5. Step 5: Solve for x
   x = 22,845,732.57/7,080.72
6. Step 6: Final answer
   x = 3,226.47