Finding the Fourth Proportional to 3,920.16, 5,872.00 and 3,182.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920.16 : 5,872.00 = 3,182.25 : x
2. Step 2: Convert to fraction form
   3,920.16/5,872.00 = 3,182.25/x
3. Step 3: Cross multiply
   3,920.16x = 5,872.00 × 3,182.25
4. Step 4: Simplify right side
   3,920.16x = 18,686,156.09
5. Step 5: Solve for x
   x = 18,686,156.09/3,920.16
6. Step 6: Final answer
   x = 4,766.68