Finding the Fourth Proportional to 2,404.10, 3,321.06 and 2,331.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.10 : 3,321.06 = 2,331.20 : x
2. Step 2: Convert to fraction form
   2,404.10/3,321.06 = 2,331.20/x
3. Step 3: Cross multiply
   2,404.10x = 3,321.06 × 2,331.20
4. Step 4: Simplify right side
   2,404.10x = 7,742,055.07
5. Step 5: Solve for x
   x = 7,742,055.07/2,404.10
6. Step 6: Final answer
   x = 3,220.35