Finding the Fourth Proportional to 11,035.48, 16,553.72 and 3,640.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,035.48 : 16,553.72 = 3,640.58 : x
2. Step 2: Convert to fraction form
   11,035.48/16,553.72 = 3,640.58/x
3. Step 3: Cross multiply
   11,035.48x = 16,553.72 × 3,640.58
4. Step 4: Simplify right side
   11,035.48x = 60,265,151.06
5. Step 5: Solve for x
   x = 60,265,151.06/11,035.48
6. Step 6: Final answer
   x = 5,461.04