Finding the Fourth Proportional to 12,063.92, 18,123.60 and 8,562.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,063.92 : 18,123.60 = 8,562.62 : x
2. Step 2: Convert to fraction form
   12,063.92/18,123.60 = 8,562.62/x
3. Step 3: Cross multiply
   12,063.92x = 18,123.60 × 8,562.62
4. Step 4: Simplify right side
   12,063.92x = 155,185,499.83
5. Step 5: Solve for x
   x = 155,185,499.83/12,063.92
6. Step 6: Final answer
   x = 12,863.60