Finding the Fourth Proportional to 50,771.61, 70,072.56 and 31,654.49

Step by Step Solution

1. Step 1: Write the proportion equation
   50,771.61 : 70,072.56 = 31,654.49 : x
2. Step 2: Convert to fraction form
   50,771.61/70,072.56 = 31,654.49/x
3. Step 3: Cross multiply
   50,771.61x = 70,072.56 × 31,654.49
4. Step 4: Simplify right side
   50,771.61x = 2,218,110,799.43
5. Step 5: Solve for x
   x = 2,218,110,799.43/50,771.61
6. Step 6: Final answer
   x = 43,688.01