Finding the Fourth Proportional to 8,026.19, 12,028.35 and 3,865.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,026.19 : 12,028.35 = 3,865.89 : x
2. Step 2: Convert to fraction form
   8,026.19/12,028.35 = 3,865.89/x
3. Step 3: Cross multiply
   8,026.19x = 12,028.35 × 3,865.89
4. Step 4: Simplify right side
   8,026.19x = 46,500,308.59
5. Step 5: Solve for x
   x = 46,500,308.59/8,026.19
6. Step 6: Final answer
   x = 5,793.57