Finding the Fourth Proportional to 8,443.16, 12,648.47 and 4,734.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.16 : 12,648.47 = 4,734.12 : x
2. Step 2: Convert to fraction form
   8,443.16/12,648.47 = 4,734.12/x
3. Step 3: Cross multiply
   8,443.16x = 12,648.47 × 4,734.12
4. Step 4: Simplify right side
   8,443.16x = 59,879,351.13
5. Step 5: Solve for x
   x = 59,879,351.13/8,443.16
6. Step 6: Final answer
   x = 7,092.06