Finding the Fourth Proportional to 12,562.56, 18,846.72 and 8,292.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,562.56 : 18,846.72 = 8,292.48 : x
2. Step 2: Convert to fraction form
   12,562.56/18,846.72 = 8,292.48/x
3. Step 3: Cross multiply
   12,562.56x = 18,846.72 × 8,292.48
4. Step 4: Simplify right side
   12,562.56x = 156,286,048.67
5. Step 5: Solve for x
   x = 156,286,048.67/12,562.56
6. Step 6: Final answer
   x = 12,440.62