Finding the Fourth Proportional to 33,250.38, 45,871.05 and 21,905.33

Step by Step Solution

1. Step 1: Write the proportion equation
   33,250.38 : 45,871.05 = 21,905.33 : x
2. Step 2: Convert to fraction form
   33,250.38/45,871.05 = 21,905.33/x
3. Step 3: Cross multiply
   33,250.38x = 45,871.05 × 21,905.33
4. Step 4: Simplify right side
   33,250.38x = 1,004,820,258.34
5. Step 5: Solve for x
   x = 1,004,820,258.34/33,250.38
6. Step 6: Final answer
   x = 30,219.81