Finding the Fourth Proportional to 11,446.54, 17,166.09 and 3,653.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,446.54 : 17,166.09 = 3,653.50 : x
2. Step 2: Convert to fraction form
   11,446.54/17,166.09 = 3,653.50/x
3. Step 3: Cross multiply
   11,446.54x = 17,166.09 × 3,653.50
4. Step 4: Simplify right side
   11,446.54x = 62,716,309.82
5. Step 5: Solve for x
   x = 62,716,309.82/11,446.54
6. Step 6: Final answer
   x = 5,479.06