Finding the Fourth Proportional to 11,171.39, 16,758.90 and 3,776.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,171.39 : 16,758.90 = 3,776.30 : x
2. Step 2: Convert to fraction form
   11,171.39/16,758.90 = 3,776.30/x
3. Step 3: Cross multiply
   11,171.39x = 16,758.90 × 3,776.30
4. Step 4: Simplify right side
   11,171.39x = 63,286,550.28
5. Step 5: Solve for x
   x = 63,286,550.28/11,171.39
6. Step 6: Final answer
   x = 5,665.05