Finding the Fourth Proportional to 9,796.47, 13,519.49 and 5,603.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,796.47 : 13,519.49 = 5,603.91 : x
2. Step 2: Convert to fraction form
   9,796.47/13,519.49 = 5,603.91/x
3. Step 3: Cross multiply
   9,796.47x = 13,519.49 × 5,603.91
4. Step 4: Simplify right side
   9,796.47x = 75,761,958.01
5. Step 5: Solve for x
   x = 75,761,958.01/9,796.47
6. Step 6: Final answer
   x = 7,733.60