Finding the Fourth Proportional to 5,317.02, 7,975.31 and 2,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,317.02 : 7,975.31 = 2,196.18 : x
2. Step 2: Convert to fraction form
   5,317.02/7,975.31 = 2,196.18/x
3. Step 3: Cross multiply
   5,317.02x = 7,975.31 × 2,196.18
4. Step 4: Simplify right side
   5,317.02x = 17,515,205.33
5. Step 5: Solve for x
   x = 17,515,205.33/5,317.02
6. Step 6: Final answer
   x = 3,294.18