Finding the Fourth Proportional to 8,856.84, 13,267.98 and 3,914.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,856.84 : 13,267.98 = 3,914.76 : x
2. Step 2: Convert to fraction form
   8,856.84/13,267.98 = 3,914.76/x
3. Step 3: Cross multiply
   8,856.84x = 13,267.98 × 3,914.76
4. Step 4: Simplify right side
   8,856.84x = 51,940,957.38
5. Step 5: Solve for x
   x = 51,940,957.38/8,856.84
6. Step 6: Final answer
   x = 5,864.50