Finding the Fourth Proportional to 9,788.48, 13,505.76 and 5,595.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,788.48 : 13,505.76 = 5,595.68 : x
2. Step 2: Convert to fraction form
   9,788.48/13,505.76 = 5,595.68/x
3. Step 3: Cross multiply
   9,788.48x = 13,505.76 × 5,595.68
4. Step 4: Simplify right side
   9,788.48x = 75,573,911.12
5. Step 5: Solve for x
   x = 75,573,911.12/9,788.48
6. Step 6: Final answer
   x = 7,720.70