Finding the Fourth Proportional to 10,785.41, 16,167.15 and 8,182.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,785.41 : 16,167.15 = 8,182.88 : x
2. Step 2: Convert to fraction form
   10,785.41/16,167.15 = 8,182.88/x
3. Step 3: Cross multiply
   10,785.41x = 16,167.15 × 8,182.88
4. Step 4: Simplify right side
   10,785.41x = 132,293,767.56
5. Step 5: Solve for x
   x = 132,293,767.56/10,785.41
6. Step 6: Final answer
   x = 12,266.00