Finding the Fourth Proportional to 7,080.52, 10,620.82 and 2,150.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,080.52 : 10,620.82 = 2,150.21 : x
2. Step 2: Convert to fraction form
   7,080.52/10,620.82 = 2,150.21/x
3. Step 3: Cross multiply
   7,080.52x = 10,620.82 × 2,150.21
4. Step 4: Simplify right side
   7,080.52x = 22,836,934.89
5. Step 5: Solve for x
   x = 22,836,934.89/7,080.52
6. Step 6: Final answer
   x = 3,225.32