Finding the Fourth Proportional to 3,730.39, 5,146.83 and 2,405.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730.39 : 5,146.83 = 2,405.83 : x
2. Step 2: Convert to fraction form
   3,730.39/5,146.83 = 2,405.83/x
3. Step 3: Cross multiply
   3,730.39x = 5,146.83 × 2,405.83
4. Step 4: Simplify right side
   3,730.39x = 12,382,398.02
5. Step 5: Solve for x
   x = 12,382,398.02/3,730.39
6. Step 6: Final answer
   x = 3,319.33