Finding the Fourth Proportional to 2,581.83, 3,839.61 and 2,499.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.83 : 3,839.61 = 2,499.81 : x
2. Step 2: Convert to fraction form
   2,581.83/3,839.61 = 2,499.81/x
3. Step 3: Cross multiply
   2,581.83x = 3,839.61 × 2,499.81
4. Step 4: Simplify right side
   2,581.83x = 9,598,295.47
5. Step 5: Solve for x
   x = 9,598,295.47/2,581.83
6. Step 6: Final answer
   x = 3,717.63