Finding the Fourth Proportional to 9,796.28, 13,518.72 and 5,320.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,796.28 : 13,518.72 = 5,320.16 : x
2. Step 2: Convert to fraction form
   9,796.28/13,518.72 = 5,320.16/x
3. Step 3: Cross multiply
   9,796.28x = 13,518.72 × 5,320.16
4. Step 4: Simplify right side
   9,796.28x = 71,921,753.40
5. Step 5: Solve for x
   x = 71,921,753.40/9,796.28
6. Step 6: Final answer
   x = 7,341.74