Finding the Fourth Proportional to 10,268.72, 15,322.52 and 9,641.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,268.72 : 15,322.52 = 9,641.84 : x
2. Step 2: Convert to fraction form
   10,268.72/15,322.52 = 9,641.84/x
3. Step 3: Cross multiply
   10,268.72x = 15,322.52 × 9,641.84
4. Step 4: Simplify right side
   10,268.72x = 147,737,286.24
5. Step 5: Solve for x
   x = 147,737,286.24/10,268.72
6. Step 6: Final answer
   x = 14,387.12