Finding the Fourth Proportional to 11,231.10, 16,773.71 and 10,560.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,231.10 : 16,773.71 = 10,560.42 : x
2. Step 2: Convert to fraction form
   11,231.10/16,773.71 = 10,560.42/x
3. Step 3: Cross multiply
   11,231.10x = 16,773.71 × 10,560.42
4. Step 4: Simplify right side
   11,231.10x = 177,137,369.76
5. Step 5: Solve for x
   x = 177,137,369.76/11,231.10
6. Step 6: Final answer
   x = 15,772.04