Finding the Fourth Proportional to 40,921.78, 56,503.83 and 31,953.73

Step by Step Solution

1. Step 1: Write the proportion equation
   40,921.78 : 56,503.83 = 31,953.73 : x
2. Step 2: Convert to fraction form
   40,921.78/56,503.83 = 31,953.73/x
3. Step 3: Cross multiply
   40,921.78x = 56,503.83 × 31,953.73
4. Step 4: Simplify right side
   40,921.78x = 1,805,508,127.79
5. Step 5: Solve for x
   x = 1,805,508,127.79/40,921.78
6. Step 6: Final answer
   x = 44,120.96