Finding the Fourth Proportional to 2,260.22, 3,388.50 and 2,131.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.22 : 3,388.50 = 2,131.43 : x
2. Step 2: Convert to fraction form
   2,260.22/3,388.50 = 2,131.43/x
3. Step 3: Cross multiply
   2,260.22x = 3,388.50 × 2,131.43
4. Step 4: Simplify right side
   2,260.22x = 7,222,333.61
5. Step 5: Solve for x
   x = 7,222,333.61/2,260.22
6. Step 6: Final answer
   x = 3,195.42