Finding the Fourth Proportional to 11,923.90, 16,462.56 and 7,676.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,923.90 : 16,462.56 = 7,676.56 : x
2. Step 2: Convert to fraction form
   11,923.90/16,462.56 = 7,676.56/x
3. Step 3: Cross multiply
   11,923.90x = 16,462.56 × 7,676.56
4. Step 4: Simplify right side
   11,923.90x = 126,375,829.59
5. Step 5: Solve for x
   x = 126,375,829.59/11,923.90
6. Step 6: Final answer
   x = 10,598.53