Finding the Fourth Proportional to 5,121.27, 7,675.52 and 2,196.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,121.27 : 7,675.52 = 2,196.16 : x
2. Step 2: Convert to fraction form
   5,121.27/7,675.52 = 2,196.16/x
3. Step 3: Cross multiply
   5,121.27x = 7,675.52 × 2,196.16
4. Step 4: Simplify right side
   5,121.27x = 16,856,656.30
5. Step 5: Solve for x
   x = 16,856,656.30/5,121.27
6. Step 6: Final answer
   x = 3,291.50