Finding the Fourth Proportional to 16,360.96, 22,566.72 and 12,369.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,360.96 : 22,566.72 = 12,369.28 : x
2. Step 2: Convert to fraction form
   16,360.96/22,566.72 = 12,369.28/x
3. Step 3: Cross multiply
   16,360.96x = 22,566.72 × 12,369.28
4. Step 4: Simplify right side
   16,360.96x = 279,134,078.36
5. Step 5: Solve for x
   x = 279,134,078.36/16,360.96
6. Step 6: Final answer
   x = 17,060.98