Finding the Fourth Proportional to 6,099.57, 8,419.38 and 3,581.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,099.57 : 8,419.38 = 3,581.61 : x
2. Step 2: Convert to fraction form
   6,099.57/8,419.38 = 3,581.61/x
3. Step 3: Cross multiply
   6,099.57x = 8,419.38 × 3,581.61
4. Step 4: Simplify right side
   6,099.57x = 30,154,917.69
5. Step 5: Solve for x
   x = 30,154,917.69/6,099.57
6. Step 6: Final answer
   x = 4,943.78