Finding the Fourth Proportional to 7,219.97, 10,826.72 and 3,322.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,219.97 : 10,826.72 = 3,322.25 : x
2. Step 2: Convert to fraction form
   7,219.97/10,826.72 = 3,322.25/x
3. Step 3: Cross multiply
   7,219.97x = 10,826.72 × 3,322.25
4. Step 4: Simplify right side
   7,219.97x = 35,969,053.91
5. Step 5: Solve for x
   x = 35,969,053.91/7,219.97
6. Step 6: Final answer
   x = 4,981.88