Finding the Fourth Proportional to 111,783.46, 167,671.34 and 31,821.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,783.46 : 167,671.34 = 31,821.92 : x
2. Step 2: Convert to fraction form
   111,783.46/167,671.34 = 31,821.92/x
3. Step 3: Cross multiply
   111,783.46x = 167,671.34 × 31,821.92
4. Step 4: Simplify right side
   111,783.46x = 5,335,623,925.80
5. Step 5: Solve for x
   x = 5,335,623,925.80/111,783.46
6. Step 6: Final answer
   x = 47,731.78