Finding the Fourth Proportional to 9,556.82, 13,188.24 and 5,307.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,556.82 : 13,188.24 = 5,307.89 : x
2. Step 2: Convert to fraction form
   9,556.82/13,188.24 = 5,307.89/x
3. Step 3: Cross multiply
   9,556.82x = 13,188.24 × 5,307.89
4. Step 4: Simplify right side
   9,556.82x = 70,001,727.21
5. Step 5: Solve for x
   x = 70,001,727.21/9,556.82
6. Step 6: Final answer
   x = 7,324.79