Finding the Fourth Proportional to 3,900.32, 5,384.40 and 3,014.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.32 : 5,384.40 = 3,014.12 : x
2. Step 2: Convert to fraction form
   3,900.32/5,384.40 = 3,014.12/x
3. Step 3: Cross multiply
   3,900.32x = 5,384.40 × 3,014.12
4. Step 4: Simplify right side
   3,900.32x = 16,229,227.73
5. Step 5: Solve for x
   x = 16,229,227.73/3,900.32
6. Step 6: Final answer
   x = 4,161.00