Finding the Fourth Proportional to 11,059.23, 16,591.69 and 3,665.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,059.23 : 16,591.69 = 3,665.76 : x
2. Step 2: Convert to fraction form
   11,059.23/16,591.69 = 3,665.76/x
3. Step 3: Cross multiply
   11,059.23x = 16,591.69 × 3,665.76
4. Step 4: Simplify right side
   11,059.23x = 60,821,075.28
5. Step 5: Solve for x
   x = 60,821,075.28/11,059.23
6. Step 6: Final answer
   x = 5,499.57