Finding the Fourth Proportional to 3,706.22, 5,565.69 and 3,290.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706.22 : 5,565.69 = 3,290.69 : x
2. Step 2: Convert to fraction form
   3,706.22/5,565.69 = 3,290.69/x
3. Step 3: Cross multiply
   3,706.22x = 5,565.69 × 3,290.69
4. Step 4: Simplify right side
   3,706.22x = 18,314,960.43
5. Step 5: Solve for x
   x = 18,314,960.43/3,706.22
6. Step 6: Final answer
   x = 4,941.68