Finding the Fourth Proportional to 16,559.89, 22,852.54 and 9,391.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,559.89 : 22,852.54 = 9,391.16 : x
2. Step 2: Convert to fraction form
   16,559.89/22,852.54 = 9,391.16/x
3. Step 3: Cross multiply
   16,559.89x = 22,852.54 × 9,391.16
4. Step 4: Simplify right side
   16,559.89x = 214,611,859.55
5. Step 5: Solve for x
   x = 214,611,859.55/16,559.89
6. Step 6: Final answer
   x = 12,959.74