Finding the Fourth Proportional to 9,798.57, 13,522.05 and 5,322.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798.57 : 13,522.05 = 5,322.31 : x
2. Step 2: Convert to fraction form
   9,798.57/13,522.05 = 5,322.31/x
3. Step 3: Cross multiply
   9,798.57x = 13,522.05 × 5,322.31
4. Step 4: Simplify right side
   9,798.57x = 71,968,584.19
5. Step 5: Solve for x
   x = 71,968,584.19/9,798.57
6. Step 6: Final answer
   x = 7,344.80