Finding the Fourth Proportional to 33,156.54, 45,770.19 and 19,729.05

Step by Step Solution

1. Step 1: Write the proportion equation
   33,156.54 : 45,770.19 = 19,729.05 : x
2. Step 2: Convert to fraction form
   33,156.54/45,770.19 = 19,729.05/x
3. Step 3: Cross multiply
   33,156.54x = 45,770.19 × 19,729.05
4. Step 4: Simplify right side
   33,156.54x = 903,002,367.02
5. Step 5: Solve for x
   x = 903,002,367.02/33,156.54
6. Step 6: Final answer
   x = 27,234.52