Finding the Fourth Proportional to 3,819.86, 5,730.06 and 2,435.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.86 : 5,730.06 = 2,435.90 : x
2. Step 2: Convert to fraction form
   3,819.86/5,730.06 = 2,435.90/x
3. Step 3: Cross multiply
   3,819.86x = 5,730.06 × 2,435.90
4. Step 4: Simplify right side
   3,819.86x = 13,957,853.15
5. Step 5: Solve for x
   x = 13,957,853.15/3,819.86
6. Step 6: Final answer
   x = 3,654.03