Finding the Fourth Proportional to 23,513.68, 35,276.42 and 10,857.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,513.68 : 35,276.42 = 10,857.32 : x
2. Step 2: Convert to fraction form
   23,513.68/35,276.42 = 10,857.32/x
3. Step 3: Cross multiply
   23,513.68x = 35,276.42 × 10,857.32
4. Step 4: Simplify right side
   23,513.68x = 383,007,380.39
5. Step 5: Solve for x
   x = 383,007,380.39/23,513.68
6. Step 6: Final answer
   x = 16,288.70