Finding the Fourth Proportional to 8,885.35, 12,261.55 and 5,856.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,885.35 : 12,261.55 = 5,856.76 : x
2. Step 2: Convert to fraction form
   8,885.35/12,261.55 = 5,856.76/x
3. Step 3: Cross multiply
   8,885.35x = 12,261.55 × 5,856.76
4. Step 4: Simplify right side
   8,885.35x = 71,812,864.99
5. Step 5: Solve for x
   x = 71,812,864.99/8,885.35
6. Step 6: Final answer
   x = 8,082.17