Finding the Fourth Proportional to 41,730.58, 57,643.41 and 31,101.76

Step by Step Solution

1. Step 1: Write the proportion equation
   41,730.58 : 57,643.41 = 31,101.76 : x
2. Step 2: Convert to fraction form
   41,730.58/57,643.41 = 31,101.76/x
3. Step 3: Cross multiply
   41,730.58x = 57,643.41 × 31,101.76
4. Step 4: Simplify right side
   41,730.58x = 1,792,811,503.40
5. Step 5: Solve for x
   x = 1,792,811,503.40/41,730.58
6. Step 6: Final answer
   x = 42,961.58