Finding the Fourth Proportional to 9,788.69, 13,509.30 and 5,596.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,788.69 : 13,509.30 = 5,596.13 : x
2. Step 2: Convert to fraction form
   9,788.69/13,509.30 = 5,596.13/x
3. Step 3: Cross multiply
   9,788.69x = 13,509.30 × 5,596.13
4. Step 4: Simplify right side
   9,788.69x = 75,599,799.01
5. Step 5: Solve for x
   x = 75,599,799.01/9,788.69
6. Step 6: Final answer
   x = 7,723.18