Finding the Fourth Proportional to 16,661.37, 22,993.16 and 9,108.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,661.37 : 22,993.16 = 9,108.01 : x
2. Step 2: Convert to fraction form
   16,661.37/22,993.16 = 9,108.01/x
3. Step 3: Cross multiply
   16,661.37x = 22,993.16 × 9,108.01
4. Step 4: Simplify right side
   16,661.37x = 209,421,931.21
5. Step 5: Solve for x
   x = 209,421,931.21/16,661.37
6. Step 6: Final answer
   x = 12,569.31