Finding the Fourth Proportional to 3,731.39, 5,148.21 and 2,406.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,731.39 : 5,148.21 = 2,406.83 : x
2. Step 2: Convert to fraction form
   3,731.39/5,148.21 = 2,406.83/x
3. Step 3: Cross multiply
   3,731.39x = 5,148.21 × 2,406.83
4. Step 4: Simplify right side
   3,731.39x = 12,390,866.27
5. Step 5: Solve for x
   x = 12,390,866.27/3,731.39
6. Step 6: Final answer
   x = 3,320.71