Finding the Fourth Proportional to 10,308.26, 15,480.56 and 7,676.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308.26 : 15,480.56 = 7,676.48 : x
2. Step 2: Convert to fraction form
   10,308.26/15,480.56 = 7,676.48/x
3. Step 3: Cross multiply
   10,308.26x = 15,480.56 × 7,676.48
4. Step 4: Simplify right side
   10,308.26x = 118,836,151.02
5. Step 5: Solve for x
   x = 118,836,151.02/10,308.26
6. Step 6: Final answer
   x = 11,528.25