Finding the Fourth Proportional to 9,796.98, 13,519.80 and 5,320.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,796.98 : 13,519.80 = 5,320.71 : x
2. Step 2: Convert to fraction form
   9,796.98/13,519.80 = 5,320.71/x
3. Step 3: Cross multiply
   9,796.98x = 13,519.80 × 5,320.71
4. Step 4: Simplify right side
   9,796.98x = 71,934,935.06
5. Step 5: Solve for x
   x = 71,934,935.06/9,796.98
6. Step 6: Final answer
   x = 7,342.56