Finding the Fourth Proportional to 11,001.63, 16,500.69 and 3,208.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,001.63 : 16,500.69 = 3,208.62 : x
2. Step 2: Convert to fraction form
   11,001.63/16,500.69 = 3,208.62/x
3. Step 3: Cross multiply
   11,001.63x = 16,500.69 × 3,208.62
4. Step 4: Simplify right side
   11,001.63x = 52,944,443.95
5. Step 5: Solve for x
   x = 52,944,443.95/11,001.63
6. Step 6: Final answer
   x = 4,812.42