Finding the Fourth Proportional to 5,272.32, 7,914.24 and 2,196.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,272.32 : 7,914.24 = 2,196.48 : x
2. Step 2: Convert to fraction form
   5,272.32/7,914.24 = 2,196.48/x
3. Step 3: Cross multiply
   5,272.32x = 7,914.24 × 2,196.48
4. Step 4: Simplify right side
   5,272.32x = 17,383,469.88
5. Step 5: Solve for x
   x = 17,383,469.88/5,272.32
6. Step 6: Final answer
   x = 3,297.12