Finding the Fourth Proportional to 33,010.72, 45,553.94 and 18,863.57

Step by Step Solution

1. Step 1: Write the proportion equation
   33,010.72 : 45,553.94 = 18,863.57 : x
2. Step 2: Convert to fraction form
   33,010.72/45,553.94 = 18,863.57/x
3. Step 3: Cross multiply
   33,010.72x = 45,553.94 × 18,863.57
4. Step 4: Simplify right side
   33,010.72x = 859,309,708.20
5. Step 5: Solve for x
   x = 859,309,708.20/33,010.72
6. Step 6: Final answer
   x = 26,031.23