Finding the Fourth Proportional to 21,680.75, 32,496.35 and 9,843.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,680.75 : 32,496.35 = 9,843.54 : x
2. Step 2: Convert to fraction form
   21,680.75/32,496.35 = 9,843.54/x
3. Step 3: Cross multiply
   21,680.75x = 32,496.35 × 9,843.54
4. Step 4: Simplify right side
   21,680.75x = 319,879,071.86
5. Step 5: Solve for x
   x = 319,879,071.86/21,680.75
6. Step 6: Final answer
   x = 14,754.06