Finding the Fourth Proportional to 3,781.61, 5,665.62 and 3,559.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781.61 : 5,665.62 = 3,559.24 : x
2. Step 2: Convert to fraction form
   3,781.61/5,665.62 = 3,559.24/x
3. Step 3: Cross multiply
   3,781.61x = 5,665.62 × 3,559.24
4. Step 4: Simplify right side
   3,781.61x = 20,165,301.33
5. Step 5: Solve for x
   x = 20,165,301.33/3,781.61
6. Step 6: Final answer
   x = 5,332.46