Finding the Fourth Proportional to 11,037.89, 16,553.31 and 3,640.97

Step by Step Solution

1. Step 1: Write the proportion equation
   11,037.89 : 16,553.31 = 3,640.97 : x
2. Step 2: Convert to fraction form
   11,037.89/16,553.31 = 3,640.97/x
3. Step 3: Cross multiply
   11,037.89x = 16,553.31 × 3,640.97
4. Step 4: Simplify right side
   11,037.89x = 60,270,022.34
5. Step 5: Solve for x
   x = 60,270,022.34/11,037.89
6. Step 6: Final answer
   x = 5,460.29