Finding the Fourth Proportional to 11,105.89, 16,651.42 and 4,530.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.89 : 16,651.42 = 4,530.31 : x
2. Step 2: Convert to fraction form
   11,105.89/16,651.42 = 4,530.31/x
3. Step 3: Cross multiply
   11,105.89x = 16,651.42 × 4,530.31
4. Step 4: Simplify right side
   11,105.89x = 75,436,094.54
5. Step 5: Solve for x
   x = 75,436,094.54/11,105.89
6. Step 6: Final answer
   x = 6,792.44