Finding the Fourth Proportional to 3,842.22, 5,291.91 and 3,317.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.22 : 5,291.91 = 3,317.34 : x
2. Step 2: Convert to fraction form
   3,842.22/5,291.91 = 3,317.34/x
3. Step 3: Cross multiply
   3,842.22x = 5,291.91 × 3,317.34
4. Step 4: Simplify right side
   3,842.22x = 17,555,064.72
5. Step 5: Solve for x
   x = 17,555,064.72/3,842.22
6. Step 6: Final answer
   x = 4,568.99