Finding the Fourth Proportional to 6,851.34, 9,454.89 and 3,785.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,851.34 : 9,454.89 = 3,785.28 : x
2. Step 2: Convert to fraction form
   6,851.34/9,454.89 = 3,785.28/x
3. Step 3: Cross multiply
   6,851.34x = 9,454.89 × 3,785.28
4. Step 4: Simplify right side
   6,851.34x = 35,789,406.02
5. Step 5: Solve for x
   x = 35,789,406.02/6,851.34
6. Step 6: Final answer
   x = 5,223.71