Finding the Fourth Proportional to 16,026.72, 22,115.27 and 9,312.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,026.72 : 22,115.27 = 9,312.63 : x
2. Step 2: Convert to fraction form
   16,026.72/22,115.27 = 9,312.63/x
3. Step 3: Cross multiply
   16,026.72x = 22,115.27 × 9,312.63
4. Step 4: Simplify right side
   16,026.72x = 205,951,280.30
5. Step 5: Solve for x
   x = 205,951,280.30/16,026.72
6. Step 6: Final answer
   x = 12,850.49