Finding the Fourth Proportional to 11,932.28, 16,468.34 and 8,586.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,932.28 : 16,468.34 = 8,586.17 : x
2. Step 2: Convert to fraction form
   11,932.28/16,468.34 = 8,586.17/x
3. Step 3: Cross multiply
   11,932.28x = 16,468.34 × 8,586.17
4. Step 4: Simplify right side
   11,932.28x = 141,399,841.59
5. Step 5: Solve for x
   x = 141,399,841.59/11,932.28
6. Step 6: Final answer
   x = 11,850.20