Finding the Fourth Proportional to 11,019.80, 16,526.20 and 3,622.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,019.80 : 16,526.20 = 3,622.56 : x
2. Step 2: Convert to fraction form
   11,019.80/16,526.20 = 3,622.56/x
3. Step 3: Cross multiply
   11,019.80x = 16,526.20 × 3,622.56
4. Step 4: Simplify right side
   11,019.80x = 59,867,093.91
5. Step 5: Solve for x
   x = 59,867,093.91/11,019.80
6. Step 6: Final answer
   x = 5,432.68