Finding the Fourth Proportional to 11,042.66, 16,561.61 and 3,645.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,042.66 : 16,561.61 = 3,645.37 : x
2. Step 2: Convert to fraction form
   11,042.66/16,561.61 = 3,645.37/x
3. Step 3: Cross multiply
   11,042.66x = 16,561.61 × 3,645.37
4. Step 4: Simplify right side
   11,042.66x = 60,373,196.25
5. Step 5: Solve for x
   x = 60,373,196.25/11,042.66
6. Step 6: Final answer
   x = 5,467.27