Finding the Fourth Proportional to 23,711.84, 35,573.16 and 8,128.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,711.84 : 35,573.16 = 8,128.52 : x
2. Step 2: Convert to fraction form
   23,711.84/35,573.16 = 8,128.52/x
3. Step 3: Cross multiply
   23,711.84x = 35,573.16 × 8,128.52
4. Step 4: Simplify right side
   23,711.84x = 289,157,142.52
5. Step 5: Solve for x
   x = 289,157,142.52/23,711.84
6. Step 6: Final answer
   x = 12,194.63