Finding the Fourth Proportional to 11,171.77, 16,636.16 and 11,049.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,171.77 : 16,636.16 = 11,049.05 : x
2. Step 2: Convert to fraction form
   11,171.77/16,636.16 = 11,049.05/x
3. Step 3: Cross multiply
   11,171.77x = 16,636.16 × 11,049.05
4. Step 4: Simplify right side
   11,171.77x = 183,813,832.86
5. Step 5: Solve for x
   x = 183,813,832.86/11,171.77
6. Step 6: Final answer
   x = 16,453.42