Finding the Fourth Proportional to 5,853.60, 8,071.83 and 3,861.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,853.60 : 8,071.83 = 3,861.54 : x
2. Step 2: Convert to fraction form
   5,853.60/8,071.83 = 3,861.54/x
3. Step 3: Cross multiply
   5,853.60x = 8,071.83 × 3,861.54
4. Step 4: Simplify right side
   5,853.60x = 31,169,694.42
5. Step 5: Solve for x
   x = 31,169,694.42/5,853.60
6. Step 6: Final answer
   x = 5,324.88