Finding the Fourth Proportional to 33,945.72, 46,812.54 and 20,331.58

Step by Step Solution

1. Step 1: Write the proportion equation
   33,945.72 : 46,812.54 = 20,331.58 : x
2. Step 2: Convert to fraction form
   33,945.72/46,812.54 = 20,331.58/x
3. Step 3: Cross multiply
   33,945.72x = 46,812.54 × 20,331.58
4. Step 4: Simplify right side
   33,945.72x = 951,772,667.95
5. Step 5: Solve for x
   x = 951,772,667.95/33,945.72
6. Step 6: Final answer
   x = 28,038.08