Finding the Fourth Proportional to 42,669.63, 58,906.22 and 31,171.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,669.63 : 58,906.22 = 31,171.63 : x
2. Step 2: Convert to fraction form
   42,669.63/58,906.22 = 31,171.63/x
3. Step 3: Cross multiply
   42,669.63x = 58,906.22 × 31,171.63
4. Step 4: Simplify right side
   42,669.63x = 1,836,202,894.54
5. Step 5: Solve for x
   x = 1,836,202,894.54/42,669.63
6. Step 6: Final answer
   x = 43,033.02