Finding the Fourth Proportional to 6,281.72, 8,665.50 and 3,728.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,281.72 : 8,665.50 = 3,728.00 : x
2. Step 2: Convert to fraction form
   6,281.72/8,665.50 = 3,728.00/x
3. Step 3: Cross multiply
   6,281.72x = 8,665.50 × 3,728.00
4. Step 4: Simplify right side
   6,281.72x = 32,304,940.67
5. Step 5: Solve for x
   x = 32,304,940.67/6,281.72
6. Step 6: Final answer
   x = 5,142.69