Finding the Fourth Proportional to 3,884.34, 5,818.83 and 3,105.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,884.34 : 5,818.83 = 3,105.62 : x
2. Step 2: Convert to fraction form
   3,884.34/5,818.83 = 3,105.62/x
3. Step 3: Cross multiply
   3,884.34x = 5,818.83 × 3,105.62
4. Step 4: Simplify right side
   3,884.34x = 18,071,074.82
5. Step 5: Solve for x
   x = 18,071,074.82/3,884.34
6. Step 6: Final answer
   x = 4,652.29