Finding the Fourth Proportional to 11,039.60, 16,561.04 and 3,644.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,039.60 : 16,561.04 = 3,644.84 : x
2. Step 2: Convert to fraction form
   11,039.60/16,561.04 = 3,644.84/x
3. Step 3: Cross multiply
   11,039.60x = 16,561.04 × 3,644.84
4. Step 4: Simplify right side
   11,039.60x = 60,362,240.00
5. Step 5: Solve for x
   x = 60,362,240.00/11,039.60
6. Step 6: Final answer
   x = 5,467.79