Finding the Fourth Proportional to 11,849.40, 16,354.74 and 8,081.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,849.40 : 16,354.74 = 8,081.55 : x
2. Step 2: Convert to fraction form
   11,849.40/16,354.74 = 8,081.55/x
3. Step 3: Cross multiply
   11,849.40x = 16,354.74 × 8,081.55
4. Step 4: Simplify right side
   11,849.40x = 132,171,649.05
5. Step 5: Solve for x
   x = 132,171,649.05/11,849.40
6. Step 6: Final answer
   x = 11,154.29