Finding the Fourth Proportional to 8,931.84, 12,326.72 and 7,676.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,931.84 : 12,326.72 = 7,676.96 : x
2. Step 2: Convert to fraction form
   8,931.84/12,326.72 = 7,676.96/x
3. Step 3: Cross multiply
   8,931.84x = 12,326.72 × 7,676.96
4. Step 4: Simplify right side
   8,931.84x = 94,631,736.37
5. Step 5: Solve for x
   x = 94,631,736.37/8,931.84
6. Step 6: Final answer
   x = 10,594.88