Finding the Fourth Proportional to 8,429.24, 12,643.94 and 3,747.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429.24 : 12,643.94 = 3,747.98 : x
2. Step 2: Convert to fraction form
   8,429.24/12,643.94 = 3,747.98/x
3. Step 3: Cross multiply
   8,429.24x = 12,643.94 × 3,747.98
4. Step 4: Simplify right side
   8,429.24x = 47,389,152.28
5. Step 5: Solve for x
   x = 47,389,152.28/8,429.24
6. Step 6: Final answer
   x = 5,622.00