Finding the Fourth Proportional to 8,281.72, 12,419.96 and 2,734.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,281.72 : 12,419.96 = 2,734.04 : x
2. Step 2: Convert to fraction form
   8,281.72/12,419.96 = 2,734.04/x
3. Step 3: Cross multiply
   8,281.72x = 12,419.96 × 2,734.04
4. Step 4: Simplify right side
   8,281.72x = 33,956,667.44
5. Step 5: Solve for x
   x = 33,956,667.44/8,281.72
6. Step 6: Final answer
   x = 4,100.20