Finding the Fourth Proportional to 3,399.01, 5,090.96 and 2,613.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.01 : 5,090.96 = 2,613.22 : x
2. Step 2: Convert to fraction form
   3,399.01/5,090.96 = 2,613.22/x
3. Step 3: Cross multiply
   3,399.01x = 5,090.96 × 2,613.22
4. Step 4: Simplify right side
   3,399.01x = 13,303,792.30
5. Step 5: Solve for x
   x = 13,303,792.30/3,399.01
6. Step 6: Final answer
   x = 3,914.02