Finding the Fourth Proportional to 118,131.73, 162,949.31 and 75,616.45

Step by Step Solution

1. Step 1: Write the proportion equation
   118,131.73 : 162,949.31 = 75,616.45 : x
2. Step 2: Convert to fraction form
   118,131.73/162,949.31 = 75,616.45/x
3. Step 3: Cross multiply
   118,131.73x = 162,949.31 × 75,616.45
4. Step 4: Simplify right side
   118,131.73x = 12,321,648,744.88
5. Step 5: Solve for x
   x = 12,321,648,744.88/118,131.73
6. Step 6: Final answer
   x = 104,304.31