Finding the Fourth Proportional to 41,546.78, 57,335.76 and 22,685.12

Step by Step Solution

1. Step 1: Write the proportion equation
   41,546.78 : 57,335.76 = 22,685.12 : x
2. Step 2: Convert to fraction form
   41,546.78/57,335.76 = 22,685.12/x
3. Step 3: Cross multiply
   41,546.78x = 57,335.76 × 22,685.12
4. Step 4: Simplify right side
   41,546.78x = 1,300,668,595.89
5. Step 5: Solve for x
   x = 1,300,668,595.89/41,546.78
6. Step 6: Final answer
   x = 31,306.12