Finding the Fourth Proportional to 5,472.52, 8,191.72 and 5,297.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,472.52 : 8,191.72 = 5,297.56 : x
2. Step 2: Convert to fraction form
   5,472.52/8,191.72 = 5,297.56/x
3. Step 3: Cross multiply
   5,472.52x = 8,191.72 × 5,297.56
4. Step 4: Simplify right side
   5,472.52x = 43,396,128.20
5. Step 5: Solve for x
   x = 43,396,128.20/5,472.52
6. Step 6: Final answer
   x = 7,929.83