Finding the Fourth Proportional to 9,808.16, 14,713.38 and 3,571.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,808.16 : 14,713.38 = 3,571.09 : x
2. Step 2: Convert to fraction form
   9,808.16/14,713.38 = 3,571.09/x
3. Step 3: Cross multiply
   9,808.16x = 14,713.38 × 3,571.09
4. Step 4: Simplify right side
   9,808.16x = 52,542,767.40
5. Step 5: Solve for x
   x = 52,542,767.40/9,808.16
6. Step 6: Final answer
   x = 5,357.05