Finding the Fourth Proportional to 16,594.61, 22,900.55 and 9,142.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,594.61 : 22,900.55 = 9,142.61 : x
2. Step 2: Convert to fraction form
   16,594.61/22,900.55 = 9,142.61/x
3. Step 3: Cross multiply
   16,594.61x = 22,900.55 × 9,142.61
4. Step 4: Simplify right side
   16,594.61x = 209,370,637.22
5. Step 5: Solve for x
   x = 209,370,637.22/16,594.61
6. Step 6: Final answer
   x = 12,616.79