Finding the Fourth Proportional to 16,612.80, 22,925.52 and 9,059.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,612.80 : 22,925.52 = 9,059.25 : x
2. Step 2: Convert to fraction form
   16,612.80/22,925.52 = 9,059.25/x
3. Step 3: Cross multiply
   16,612.80x = 22,925.52 × 9,059.25
4. Step 4: Simplify right side
   16,612.80x = 207,688,017.06
5. Step 5: Solve for x
   x = 207,688,017.06/16,612.80
6. Step 6: Final answer
   x = 12,501.69