Finding the Fourth Proportional to 3,932.72, 5,426.63 and 2,339.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.72 : 5,426.63 = 2,339.38 : x
2. Step 2: Convert to fraction form
   3,932.72/5,426.63 = 2,339.38/x
3. Step 3: Cross multiply
   3,932.72x = 5,426.63 × 2,339.38
4. Step 4: Simplify right side
   3,932.72x = 12,694,953.55
5. Step 5: Solve for x
   x = 12,694,953.55/3,932.72
6. Step 6: Final answer
   x = 3,228.03