Finding the Fourth Proportional to 33,101.50, 45,674.96 and 19,667.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,101.50 : 45,674.96 = 19,667.78 : x
2. Step 2: Convert to fraction form
   33,101.50/45,674.96 = 19,667.78/x
3. Step 3: Cross multiply
   33,101.50x = 45,674.96 × 19,667.78
4. Step 4: Simplify right side
   33,101.50x = 898,325,064.79
5. Step 5: Solve for x
   x = 898,325,064.79/33,101.50
6. Step 6: Final answer
   x = 27,138.50