Finding the Fourth Proportional to 11,481.29, 17,217.89 and 3,688.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,481.29 : 17,217.89 = 3,688.01 : x
2. Step 2: Convert to fraction form
   11,481.29/17,217.89 = 3,688.01/x
3. Step 3: Cross multiply
   11,481.29x = 17,217.89 × 3,688.01
4. Step 4: Simplify right side
   11,481.29x = 63,499,732.06
5. Step 5: Solve for x
   x = 63,499,732.06/11,481.29
6. Step 6: Final answer
   x = 5,530.71