Finding the Fourth Proportional to 9,570.42, 13,207.89 and 5,322.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570.42 : 13,207.89 = 5,322.25 : x
2. Step 2: Convert to fraction form
   9,570.42/13,207.89 = 5,322.25/x
3. Step 3: Cross multiply
   9,570.42x = 13,207.89 × 5,322.25
4. Step 4: Simplify right side
   9,570.42x = 70,295,692.55
5. Step 5: Solve for x
   x = 70,295,692.55/9,570.42
6. Step 6: Final answer
   x = 7,345.10