Finding the Fourth Proportional to 16,594.57, 22,900.50 and 9,142.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,594.57 : 22,900.50 = 9,142.57 : x
2. Step 2: Convert to fraction form
   16,594.57/22,900.50 = 9,142.57/x
3. Step 3: Cross multiply
   16,594.57x = 22,900.50 × 9,142.57
4. Step 4: Simplify right side
   16,594.57x = 209,369,424.29
5. Step 5: Solve for x
   x = 209,369,424.29/16,594.57
6. Step 6: Final answer
   x = 12,616.74