Finding the Fourth Proportional to 9,553.92, 13,155.84 and 8,856.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,553.92 : 13,155.84 = 8,856.96 : x
2. Step 2: Convert to fraction form
   9,553.92/13,155.84 = 8,856.96/x
3. Step 3: Cross multiply
   9,553.92x = 13,155.84 × 8,856.96
4. Step 4: Simplify right side
   9,553.92x = 116,520,748.65
5. Step 5: Solve for x
   x = 116,520,748.65/9,553.92
6. Step 6: Final answer
   x = 12,196.12