Finding the Fourth Proportional to 9,808.38, 13,536.23 and 5,559.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,808.38 : 13,536.23 = 5,559.39 : x
2. Step 2: Convert to fraction form
   9,808.38/13,536.23 = 5,559.39/x
3. Step 3: Cross multiply
   9,808.38x = 13,536.23 × 5,559.39
4. Step 4: Simplify right side
   9,808.38x = 75,253,153.90
5. Step 5: Solve for x
   x = 75,253,153.90/9,808.38
6. Step 6: Final answer
   x = 7,672.33