Finding the Fourth Proportional to 9,570.75, 14,357.84 and 3,945.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570.75 : 14,357.84 = 3,945.29 : x
2. Step 2: Convert to fraction form
   9,570.75/14,357.84 = 3,945.29/x
3. Step 3: Cross multiply
   9,570.75x = 14,357.84 × 3,945.29
4. Step 4: Simplify right side
   9,570.75x = 56,645,770.78
5. Step 5: Solve for x
   x = 56,645,770.78/9,570.75
6. Step 6: Final answer
   x = 5,918.64