Finding the Fourth Proportional to 6,872.06, 9,483.48 and 3,728.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,872.06 : 9,483.48 = 3,728.25 : x
2. Step 2: Convert to fraction form
   6,872.06/9,483.48 = 3,728.25/x
3. Step 3: Cross multiply
   6,872.06x = 9,483.48 × 3,728.25
4. Step 4: Simplify right side
   6,872.06x = 35,356,784.31
5. Step 5: Solve for x
   x = 35,356,784.31/6,872.06
6. Step 6: Final answer
   x = 5,145.00