Finding the Fourth Proportional to 3,861.56, 5,789.84 and 2,541.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,861.56 : 5,789.84 = 2,541.31 : x
2. Step 2: Convert to fraction form
   3,861.56/5,789.84 = 2,541.31/x
3. Step 3: Cross multiply
   3,861.56x = 5,789.84 × 2,541.31
4. Step 4: Simplify right side
   3,861.56x = 14,713,778.29
5. Step 5: Solve for x
   x = 14,713,778.29/3,861.56
6. Step 6: Final answer
   x = 3,810.32