Finding the Fourth Proportional to 33,210.27, 49,824.25 and 13,478.06

Step by Step Solution

1. Step 1: Write the proportion equation
   33,210.27 : 49,824.25 = 13,478.06 : x
2. Step 2: Convert to fraction form
   33,210.27/49,824.25 = 13,478.06/x
3. Step 3: Cross multiply
   33,210.27x = 49,824.25 × 13,478.06
4. Step 4: Simplify right side
   33,210.27x = 671,534,321.82
5. Step 5: Solve for x
   x = 671,534,321.82/33,210.27
6. Step 6: Final answer
   x = 20,220.68