Finding the Fourth Proportional to 9,796.80, 13,519.48 and 5,605

Step by Step Solution

1. Step 1: Write the proportion equation
   9,796.80 : 13,519.48 = 5,605 : x
2. Step 2: Convert to fraction form
   9,796.80/13,519.48 = 5,605/x
3. Step 3: Cross multiply
   9,796.80x = 13,519.48 × 5,605
4. Step 4: Simplify right side
   9,796.80x = 75,776,685.40
5. Step 5: Solve for x
   x = 75,776,685.40/9,796.80
6. Step 6: Final answer
   x = 7,734.84