Finding the Fourth Proportional to 9,569.42, 13,206.51 and 5,321.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,569.42 : 13,206.51 = 5,321.25 : x
2. Step 2: Convert to fraction form
   9,569.42/13,206.51 = 5,321.25/x
3. Step 3: Cross multiply
   9,569.42x = 13,206.51 × 5,321.25
4. Step 4: Simplify right side
   9,569.42x = 70,275,141.34
5. Step 5: Solve for x
   x = 70,275,141.34/9,569.42
6. Step 6: Final answer
   x = 7,343.72