Finding the Fourth Proportional to 111,365.97, 167,040.23 and 31,400.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,365.97 : 167,040.23 = 31,400.71 : x
2. Step 2: Convert to fraction form
   111,365.97/167,040.23 = 31,400.71/x
3. Step 3: Cross multiply
   111,365.97x = 167,040.23 × 31,400.71
4. Step 4: Simplify right side
   111,365.97x = 5,245,181,481.46
5. Step 5: Solve for x
   x = 5,245,181,481.46/111,365.97
6. Step 6: Final answer
   x = 47,098.60