Finding the Fourth Proportional to 41,886.38, 57,749.31 and 34,304.78

Step by Step Solution

1. Step 1: Write the proportion equation
   41,886.38 : 57,749.31 = 34,304.78 : x
2. Step 2: Convert to fraction form
   41,886.38/57,749.31 = 34,304.78/x
3. Step 3: Cross multiply
   41,886.38x = 57,749.31 × 34,304.78
4. Step 4: Simplify right side
   41,886.38x = 1,981,077,374.70
5. Step 5: Solve for x
   x = 1,981,077,374.70/41,886.38
6. Step 6: Final answer
   x = 47,296.46