Finding the Fourth Proportional to 16,222.91, 22,385.39 and 9,051.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.91 : 22,385.39 = 9,051.98 : x
2. Step 2: Convert to fraction form
   16,222.91/22,385.39 = 9,051.98/x
3. Step 3: Cross multiply
   16,222.91x = 22,385.39 × 9,051.98
4. Step 4: Simplify right side
   16,222.91x = 202,631,945.39
5. Step 5: Solve for x
   x = 202,631,945.39/16,222.91
6. Step 6: Final answer
   x = 12,490.48