Finding the Fourth Proportional to 3,375.86, 5,066.37 and 2,205.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,375.86 : 5,066.37 = 2,205.54 : x
2. Step 2: Convert to fraction form
   3,375.86/5,066.37 = 2,205.54/x
3. Step 3: Cross multiply
   3,375.86x = 5,066.37 × 2,205.54
4. Step 4: Simplify right side
   3,375.86x = 11,174,081.69
5. Step 5: Solve for x
   x = 11,174,081.69/3,375.86
6. Step 6: Final answer
   x = 3,310.00