Finding the Fourth Proportional to 111,411.17, 167,104.89 and 31,447.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,411.17 : 167,104.89 = 31,447.16 : x
2. Step 2: Convert to fraction form
   111,411.17/167,104.89 = 31,447.16/x
3. Step 3: Cross multiply
   111,411.17x = 167,104.89 × 31,447.16
4. Step 4: Simplify right side
   111,411.17x = 5,254,973,377.09
5. Step 5: Solve for x
   x = 5,254,973,377.09/111,411.17
6. Step 6: Final answer
   x = 47,167.39