Finding the Fourth Proportional to 16,644.88, 22,970.01 and 9,091.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,644.88 : 22,970.01 = 9,091.09 : x
2. Step 2: Convert to fraction form
   16,644.88/22,970.01 = 9,091.09/x
3. Step 3: Cross multiply
   16,644.88x = 22,970.01 × 9,091.09
4. Step 4: Simplify right side
   16,644.88x = 208,822,428.21
5. Step 5: Solve for x
   x = 208,822,428.21/16,644.88
6. Step 6: Final answer
   x = 12,545.75