Finding the Fourth Proportional to 6,871.89, 9,482.94 and 3,728.01

Step by Step Solution

1. Step 1: Write the proportion equation
   6,871.89 : 9,482.94 = 3,728.01 : x
2. Step 2: Convert to fraction form
   6,871.89/9,482.94 = 3,728.01/x
3. Step 3: Cross multiply
   6,871.89x = 9,482.94 × 3,728.01
4. Step 4: Simplify right side
   6,871.89x = 35,352,495.15
5. Step 5: Solve for x
   x = 35,352,495.15/6,871.89
6. Step 6: Final answer
   x = 5,144.51