Finding the Fourth Proportional to 5,196.02, 7,171.80 and 3,208.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.02 : 7,171.80 = 3,208.22 : x
2. Step 2: Convert to fraction form
   5,196.02/7,171.80 = 3,208.22/x
3. Step 3: Cross multiply
   5,196.02x = 7,171.80 × 3,208.22
4. Step 4: Simplify right side
   5,196.02x = 23,008,712.20
5. Step 5: Solve for x
   x = 23,008,712.20/5,196.02
6. Step 6: Final answer
   x = 4,428.14