Finding the Fourth Proportional to 111,354.79, 167,018.76 and 31,398.73

Step by Step Solution

1. Step 1: Write the proportion equation
   111,354.79 : 167,018.76 = 31,398.73 : x
2. Step 2: Convert to fraction form
   111,354.79/167,018.76 = 31,398.73/x
3. Step 3: Cross multiply
   111,354.79x = 167,018.76 × 31,398.73
4. Step 4: Simplify right side
   111,354.79x = 5,244,176,950.17
5. Step 5: Solve for x
   x = 5,244,176,950.17/111,354.79
6. Step 6: Final answer
   x = 47,094.31