Finding the Fourth Proportional to 8,627.72, 12,944.94 and 3,434.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,627.72 : 12,944.94 = 3,434.12 : x
2. Step 2: Convert to fraction form
   8,627.72/12,944.94 = 3,434.12/x
3. Step 3: Cross multiply
   8,627.72x = 12,944.94 × 3,434.12
4. Step 4: Simplify right side
   8,627.72x = 44,454,477.35
5. Step 5: Solve for x
   x = 44,454,477.35/8,627.72
6. Step 6: Final answer
   x = 5,152.52