Finding the Fourth Proportional to 41,745, 57,615.50 and 31,656.43

Step by Step Solution

1. Step 1: Write the proportion equation
   41,745 : 57,615.50 = 31,656.43 : x
2. Step 2: Convert to fraction form
   41,745/57,615.50 = 31,656.43/x
3. Step 3: Cross multiply
   41,745x = 57,615.50 × 31,656.43
4. Step 4: Simplify right side
   41,745x = 1,823,901,042.67
5. Step 5: Solve for x
   x = 1,823,901,042.67/41,745
6. Step 6: Final answer
   x = 43,691.49