Finding the Fourth Proportional to 3,472.30, 4,793.33 and 2,215.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,472.30 : 4,793.33 = 2,215.05 : x
2. Step 2: Convert to fraction form
   3,472.30/4,793.33 = 2,215.05/x
3. Step 3: Cross multiply
   3,472.30x = 4,793.33 × 2,215.05
4. Step 4: Simplify right side
   3,472.30x = 10,617,440.72
5. Step 5: Solve for x
   x = 10,617,440.72/3,472.30
6. Step 6: Final answer
   x = 3,057.75