Finding the Fourth Proportional to 12,100.82, 16,766.37 and 11,838.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.82 : 16,766.37 = 11,838.38 : x
2. Step 2: Convert to fraction form
   12,100.82/16,766.37 = 11,838.38/x
3. Step 3: Cross multiply
   12,100.82x = 16,766.37 × 11,838.38
4. Step 4: Simplify right side
   12,100.82x = 198,486,575.45
5. Step 5: Solve for x
   x = 198,486,575.45/12,100.82
6. Step 6: Final answer
   x = 16,402.74