Finding the Fourth Proportional to 3,931.16, 5,425.02 and 2,438.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931.16 : 5,425.02 = 2,438.52 : x
2. Step 2: Convert to fraction form
   3,931.16/5,425.02 = 2,438.52/x
3. Step 3: Cross multiply
   3,931.16x = 5,425.02 × 2,438.52
4. Step 4: Simplify right side
   3,931.16x = 13,229,019.77
5. Step 5: Solve for x
   x = 13,229,019.77/3,931.16
6. Step 6: Final answer
   x = 3,365.17