Finding the Fourth Proportional to 16,450.72, 22,702.56 and 8,998.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,450.72 : 22,702.56 = 8,998.72 : x
2. Step 2: Convert to fraction form
   16,450.72/22,702.56 = 8,998.72/x
3. Step 3: Cross multiply
   16,450.72x = 22,702.56 × 8,998.72
4. Step 4: Simplify right side
   16,450.72x = 204,293,980.72
5. Step 5: Solve for x
   x = 204,293,980.72/16,450.72
6. Step 6: Final answer
   x = 12,418.54