Finding the Fourth Proportional to 111,350.79, 167,012.76 and 31,394.73

Step by Step Solution

1. Step 1: Write the proportion equation
   111,350.79 : 167,012.76 = 31,394.73 : x
2. Step 2: Convert to fraction form
   111,350.79/167,012.76 = 31,394.73/x
3. Step 3: Cross multiply
   111,350.79x = 167,012.76 × 31,394.73
4. Step 4: Simplify right side
   111,350.79x = 5,243,320,506.75
5. Step 5: Solve for x
   x = 5,243,320,506.75/111,350.79
6. Step 6: Final answer
   x = 47,088.31