Finding the Fourth Proportional to 3,861.06, 5,789.09 and 2,540.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,861.06 : 5,789.09 = 2,540.82 : x
2. Step 2: Convert to fraction form
   3,861.06/5,789.09 = 2,540.82/x
3. Step 3: Cross multiply
   3,861.06x = 5,789.09 × 2,540.82
4. Step 4: Simplify right side
   3,861.06x = 14,709,006.71
5. Step 5: Solve for x
   x = 14,709,006.71/3,861.06
6. Step 6: Final answer
   x = 3,809.58