Finding the Fourth Proportional to 12,052.78, 16,634.82 and 8,272.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,052.78 : 16,634.82 = 8,272.83 : x
2. Step 2: Convert to fraction form
   12,052.78/16,634.82 = 8,272.83/x
3. Step 3: Cross multiply
   12,052.78x = 16,634.82 × 8,272.83
4. Step 4: Simplify right side
   12,052.78x = 137,617,037.94
5. Step 5: Solve for x
   x = 137,617,037.94/12,052.78
6. Step 6: Final answer
   x = 11,417.87