Finding the Fourth Proportional to 16,351.60, 22,569.52 and 9,641.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,351.60 : 22,569.52 = 9,641.69 : x
2. Step 2: Convert to fraction form
   16,351.60/22,569.52 = 9,641.69/x
3. Step 3: Cross multiply
   16,351.60x = 22,569.52 × 9,641.69
4. Step 4: Simplify right side
   16,351.60x = 217,608,315.29
5. Step 5: Solve for x
   x = 217,608,315.29/16,351.60
6. Step 6: Final answer
   x = 13,308.08