Finding the Fourth Proportional to 8,472.24, 12,710.52 and 3,858.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,472.24 : 12,710.52 = 3,858.48 : x
2. Step 2: Convert to fraction form
   8,472.24/12,710.52 = 3,858.48/x
3. Step 3: Cross multiply
   8,472.24x = 12,710.52 × 3,858.48
4. Step 4: Simplify right side
   8,472.24x = 49,043,287.21
5. Step 5: Solve for x
   x = 49,043,287.21/8,472.24
6. Step 6: Final answer
   x = 5,788.70