Finding the Fourth Proportional to 8,066.56, 12,074.88 and 6,885.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,066.56 : 12,074.88 = 6,885.76 : x
2. Step 2: Convert to fraction form
   8,066.56/12,074.88 = 6,885.76/x
3. Step 3: Cross multiply
   8,066.56x = 12,074.88 × 6,885.76
4. Step 4: Simplify right side
   8,066.56x = 83,144,725.71
5. Step 5: Solve for x
   x = 83,144,725.71/8,066.56
6. Step 6: Final answer
   x = 10,307.33