Finding the Fourth Proportional to 3,932.10, 5,426.46 and 2,253.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.10 : 5,426.46 = 2,253.42 : x
2. Step 2: Convert to fraction form
   3,932.10/5,426.46 = 2,253.42/x
3. Step 3: Cross multiply
   3,932.10x = 5,426.46 × 2,253.42
4. Step 4: Simplify right side
   3,932.10x = 12,228,093.49
5. Step 5: Solve for x
   x = 12,228,093.49/3,932.10
6. Step 6: Final answer
   x = 3,109.81