Finding the Fourth Proportional to 7,205.82, 10,817.96 and 3,921.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,205.82 : 10,817.96 = 3,921.22 : x
2. Step 2: Convert to fraction form
   7,205.82/10,817.96 = 3,921.22/x
3. Step 3: Cross multiply
   7,205.82x = 10,817.96 × 3,921.22
4. Step 4: Simplify right side
   7,205.82x = 42,419,635.05
5. Step 5: Solve for x
   x = 42,419,635.05/7,205.82
6. Step 6: Final answer
   x = 5,886.85