Finding the Fourth Proportional to 5,801.28, 8,685.72 and 3,950.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,801.28 : 8,685.72 = 3,950.16 : x
2. Step 2: Convert to fraction form
   5,801.28/8,685.72 = 3,950.16/x
3. Step 3: Cross multiply
   5,801.28x = 8,685.72 × 3,950.16
4. Step 4: Simplify right side
   5,801.28x = 34,309,983.72
5. Step 5: Solve for x
   x = 34,309,983.72/5,801.28
6. Step 6: Final answer
   x = 5,914.21