Finding the Fourth Proportional to 11,990.94, 16,541.42 and 8,017.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,990.94 : 16,541.42 = 8,017.89 : x
2. Step 2: Convert to fraction form
   11,990.94/16,541.42 = 8,017.89/x
3. Step 3: Cross multiply
   11,990.94x = 16,541.42 × 8,017.89
4. Step 4: Simplify right side
   11,990.94x = 132,627,245.91
5. Step 5: Solve for x
   x = 132,627,245.91/11,990.94
6. Step 6: Final answer
   x = 11,060.62