Finding the Fourth Proportional to 6,648.30, 9,972.72 and 3,531.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.30 : 9,972.72 = 3,531.24 : x
2. Step 2: Convert to fraction form
   6,648.30/9,972.72 = 3,531.24/x
3. Step 3: Cross multiply
   6,648.30x = 9,972.72 × 3,531.24
4. Step 4: Simplify right side
   6,648.30x = 35,216,067.77
5. Step 5: Solve for x
   x = 35,216,067.77/6,648.30
6. Step 6: Final answer
   x = 5,297.00