Finding the Fourth Proportional to 8,030.82, 12,039.30 and 3,865.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,030.82 : 12,039.30 = 3,865.10 : x
2. Step 2: Convert to fraction form
   8,030.82/12,039.30 = 3,865.10/x
3. Step 3: Cross multiply
   8,030.82x = 12,039.30 × 3,865.10
4. Step 4: Simplify right side
   8,030.82x = 46,533,028.57
5. Step 5: Solve for x
   x = 46,533,028.57/8,030.82
6. Step 6: Final answer
   x = 5,794.31