Finding the Fourth Proportional to 111,953.19, 167,951.94 and 31,991.88

Step by Step Solution

1. Step 1: Write the proportion equation
   111,953.19 : 167,951.94 = 31,991.88 : x
2. Step 2: Convert to fraction form
   111,953.19/167,951.94 = 31,991.88/x
3. Step 3: Cross multiply
   111,953.19x = 167,951.94 × 31,991.88
4. Step 4: Simplify right side
   111,953.19x = 5,373,098,310.25
5. Step 5: Solve for x
   x = 5,373,098,310.25/111,953.19
6. Step 6: Final answer
   x = 47,994.15