Finding the Fourth Proportional to 16,588.55, 22,892.19 and 9,136.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,588.55 : 22,892.19 = 9,136.55 : x
2. Step 2: Convert to fraction form
   16,588.55/22,892.19 = 9,136.55/x
3. Step 3: Cross multiply
   16,588.55x = 22,892.19 × 9,136.55
4. Step 4: Simplify right side
   16,588.55x = 209,155,609.83
5. Step 5: Solve for x
   x = 209,155,609.83/16,588.55
6. Step 6: Final answer
   x = 12,608.43