Finding the Fourth Proportional to 41,738.31, 57,675.25 and 30,388.10

Step by Step Solution

1. Step 1: Write the proportion equation
   41,738.31 : 57,675.25 = 30,388.10 : x
2. Step 2: Convert to fraction form
   41,738.31/57,675.25 = 30,388.10/x
3. Step 3: Cross multiply
   41,738.31x = 57,675.25 × 30,388.10
4. Step 4: Simplify right side
   41,738.31x = 1,752,641,275.77
5. Step 5: Solve for x
   x = 1,752,641,275.77/41,738.31
6. Step 6: Final answer
   x = 41,991.19