Finding the Fourth Proportional to 111,396.69, 167,104.90 and 31,435.37

Step by Step Solution

1. Step 1: Write the proportion equation
   111,396.69 : 167,104.90 = 31,435.37 : x
2. Step 2: Convert to fraction form
   111,396.69/167,104.90 = 31,435.37/x
3. Step 3: Cross multiply
   111,396.69x = 167,104.90 × 31,435.37
4. Step 4: Simplify right side
   111,396.69x = 5,253,003,632.33
5. Step 5: Solve for x
   x = 5,253,003,632.33/111,396.69
6. Step 6: Final answer
   x = 47,155.83