Finding the Fourth Proportional to 11,020.30, 16,531.54 and 3,621.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,020.30 : 16,531.54 = 3,621.76 : x
2. Step 2: Convert to fraction form
   11,020.30/16,531.54 = 3,621.76/x
3. Step 3: Cross multiply
   11,020.30x = 16,531.54 × 3,621.76
4. Step 4: Simplify right side
   11,020.30x = 59,873,270.31
5. Step 5: Solve for x
   x = 59,873,270.31/11,020.30
6. Step 6: Final answer
   x = 5,433.00