Finding the Fourth Proportional to 6,852.72, 9,456.72 and 3,708.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,852.72 : 9,456.72 = 3,708.90 : x
2. Step 2: Convert to fraction form
   6,852.72/9,456.72 = 3,708.90/x
3. Step 3: Cross multiply
   6,852.72x = 9,456.72 × 3,708.90
4. Step 4: Simplify right side
   6,852.72x = 35,074,028.81
5. Step 5: Solve for x
   x = 35,074,028.81/6,852.72
6. Step 6: Final answer
   x = 5,118.26