Finding the Fourth Proportional to 33,111.18, 49,715.37 and 20,684.16

Step by Step Solution

1. Step 1: Write the proportion equation
   33,111.18 : 49,715.37 = 20,684.16 : x
2. Step 2: Convert to fraction form
   33,111.18/49,715.37 = 20,684.16/x
3. Step 3: Cross multiply
   33,111.18x = 49,715.37 × 20,684.16
4. Step 4: Simplify right side
   33,111.18x = 1,028,320,667.54
5. Step 5: Solve for x
   x = 1,028,320,667.54/33,111.18
6. Step 6: Final answer
   x = 31,056.60