Finding the Fourth Proportional to 16,604, 22,913.68 and 9,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,604 : 22,913.68 = 9,152.16 : x
2. Step 2: Convert to fraction form
   16,604/22,913.68 = 9,152.16/x
3. Step 3: Cross multiply
   16,604x = 22,913.68 × 9,152.16
4. Step 4: Simplify right side
   16,604x = 209,709,665.55
5. Step 5: Solve for x
   x = 209,709,665.55/16,604
6. Step 6: Final answer
   x = 12,630.07