Finding the Fourth Proportional to 73,168.98, 109,751 and 31,021.96

Step by Step Solution

1. Step 1: Write the proportion equation
   73,168.98 : 109,751 = 31,021.96 : x
2. Step 2: Convert to fraction form
   73,168.98/109,751 = 31,021.96/x
3. Step 3: Cross multiply
   73,168.98x = 109,751 × 31,021.96
4. Step 4: Simplify right side
   73,168.98x = 3,404,691,131.96
5. Step 5: Solve for x
   x = 3,404,691,131.96/73,168.98
6. Step 6: Final answer
   x = 46,531.89