Finding the Fourth Proportional to 8,272.76, 12,411.18 and 2,429.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,272.76 : 12,411.18 = 2,429.34 : x
2. Step 2: Convert to fraction form
   8,272.76/12,411.18 = 2,429.34/x
3. Step 3: Cross multiply
   8,272.76x = 12,411.18 × 2,429.34
4. Step 4: Simplify right side
   8,272.76x = 30,150,976.02
5. Step 5: Solve for x
   x = 30,150,976.02/8,272.76
6. Step 6: Final answer
   x = 3,644.61