Finding the Fourth Proportional to 111,355.29, 167,019.51 and 31,399.23

Step by Step Solution

1. Step 1: Write the proportion equation
   111,355.29 : 167,019.51 = 31,399.23 : x
2. Step 2: Convert to fraction form
   111,355.29/167,019.51 = 31,399.23/x
3. Step 3: Cross multiply
   111,355.29x = 167,019.51 × 31,399.23
4. Step 4: Simplify right side
   111,355.29x = 5,244,284,008.98
5. Step 5: Solve for x
   x = 5,244,284,008.98/111,355.29
6. Step 6: Final answer
   x = 47,095.06