Finding the Fourth Proportional to 6,713.81, 9,264.34 and 3,880.73

Step by Step Solution

1. Step 1: Write the proportion equation
   6,713.81 : 9,264.34 = 3,880.73 : x
2. Step 2: Convert to fraction form
   6,713.81/9,264.34 = 3,880.73/x
3. Step 3: Cross multiply
   6,713.81x = 9,264.34 × 3,880.73
4. Step 4: Simplify right side
   6,713.81x = 35,952,380.89
5. Step 5: Solve for x
   x = 35,952,380.89/6,713.81
6. Step 6: Final answer
   x = 5,354.99