Finding the Fourth Proportional to 7,322.38, 10,984.17 and 2,128.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,322.38 : 10,984.17 = 2,128.25 : x
2. Step 2: Convert to fraction form
   7,322.38/10,984.17 = 2,128.25/x
3. Step 3: Cross multiply
   7,322.38x = 10,984.17 × 2,128.25
4. Step 4: Simplify right side
   7,322.38x = 23,377,059.80
5. Step 5: Solve for x
   x = 23,377,059.80/7,322.38
6. Step 6: Final answer
   x = 3,192.55