Finding the Fourth Proportional to 21,651.75, 32,451.46 and 10,541.79

Step by Step Solution

1. Step 1: Write the proportion equation
   21,651.75 : 32,451.46 = 10,541.79 : x
2. Step 2: Convert to fraction form
   21,651.75/32,451.46 = 10,541.79/x
3. Step 3: Cross multiply
   21,651.75x = 32,451.46 × 10,541.79
4. Step 4: Simplify right side
   21,651.75x = 342,096,287.90
5. Step 5: Solve for x
   x = 342,096,287.90/21,651.75
6. Step 6: Final answer
   x = 15,799.94