Finding the Fourth Proportional to 16,563.94, 22,858.23 and 9,111.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,563.94 : 22,858.23 = 9,111.94 : x
2. Step 2: Convert to fraction form
   16,563.94/22,858.23 = 9,111.94/x
3. Step 3: Cross multiply
   16,563.94x = 22,858.23 × 9,111.94
4. Step 4: Simplify right side
   16,563.94x = 208,282,797.29
5. Step 5: Solve for x
   x = 208,282,797.29/16,563.94
6. Step 6: Final answer
   x = 12,574.47