Finding the Fourth Proportional to 9,797.31, 13,520.39 and 5,321.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,797.31 : 13,520.39 = 5,321.10 : x
2. Step 2: Convert to fraction form
   9,797.31/13,520.39 = 5,321.10/x
3. Step 3: Cross multiply
   9,797.31x = 13,520.39 × 5,321.10
4. Step 4: Simplify right side
   9,797.31x = 71,943,371.32
5. Step 5: Solve for x
   x = 71,943,371.32/9,797.31
6. Step 6: Final answer
   x = 7,343.18