Finding the Fourth Proportional to 17,505.69, 24,161.76 and 11,131.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,505.69 : 24,161.76 = 11,131.05 : x
2. Step 2: Convert to fraction form
   17,505.69/24,161.76 = 11,131.05/x
3. Step 3: Cross multiply
   17,505.69x = 24,161.76 × 11,131.05
4. Step 4: Simplify right side
   17,505.69x = 268,945,758.65
5. Step 5: Solve for x
   x = 268,945,758.65/17,505.69
6. Step 6: Final answer
   x = 15,363.33