Finding the Fourth Proportional to 22,356, 30,857.76 and 14,904

Step by Step Solution

1. Step 1: Write the proportion equation
   22,356 : 30,857.76 = 14,904 : x
2. Step 2: Convert to fraction form
   22,356/30,857.76 = 14,904/x
3. Step 3: Cross multiply
   22,356x = 30,857.76 × 14,904
4. Step 4: Simplify right side
   22,356x = 459,904,055.04
5. Step 5: Solve for x
   x = 459,904,055.04/22,356
6. Step 6: Final answer
   x = 20,571.84