Finding the Fourth Proportional to 8,031.75, 12,052.61 and 3,872.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,031.75 : 12,052.61 = 3,872.18 : x
2. Step 2: Convert to fraction form
   8,031.75/12,052.61 = 3,872.18/x
3. Step 3: Cross multiply
   8,031.75x = 12,052.61 × 3,872.18
4. Step 4: Simplify right side
   8,031.75x = 46,669,855.89
5. Step 5: Solve for x
   x = 46,669,855.89/8,031.75
6. Step 6: Final answer
   x = 5,810.67