Finding the Fourth Proportional to 2,212.55, 3,057.09 and 1,932.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.55 : 3,057.09 = 1,932.35 : x
2. Step 2: Convert to fraction form
   2,212.55/3,057.09 = 1,932.35/x
3. Step 3: Cross multiply
   2,212.55x = 3,057.09 × 1,932.35
4. Step 4: Simplify right side
   2,212.55x = 5,907,367.86
5. Step 5: Solve for x
   x = 5,907,367.86/2,212.55
6. Step 6: Final answer
   x = 2,669.94