Finding the Fourth Proportional to 11,705.94, 16,146.81 and 8,167.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,705.94 : 16,146.81 = 8,167.86 : x
2. Step 2: Convert to fraction form
   11,705.94/16,146.81 = 8,167.86/x
3. Step 3: Cross multiply
   11,705.94x = 16,146.81 × 8,167.86
4. Step 4: Simplify right side
   11,705.94x = 131,884,883.53
5. Step 5: Solve for x
   x = 131,884,883.53/11,705.94
6. Step 6: Final answer
   x = 11,266.49