Finding the Fourth Proportional to 9,799.76, 13,523.79 and 5,323.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,799.76 : 13,523.79 = 5,323.59 : x
2. Step 2: Convert to fraction form
   9,799.76/13,523.79 = 5,323.59/x
3. Step 3: Cross multiply
   9,799.76x = 13,523.79 × 5,323.59
4. Step 4: Simplify right side
   9,799.76x = 71,995,018.97
5. Step 5: Solve for x
   x = 71,995,018.97/9,799.76
6. Step 6: Final answer
   x = 7,346.61