Finding the Fourth Proportional to 105,951.75, 146,223.69 and 60,636.20

Step by Step Solution

1. Step 1: Write the proportion equation
   105,951.75 : 146,223.69 = 60,636.20 : x
2. Step 2: Convert to fraction form
   105,951.75/146,223.69 = 60,636.20/x
3. Step 3: Cross multiply
   105,951.75x = 146,223.69 × 60,636.20
4. Step 4: Simplify right side
   105,951.75x = 8,866,448,180.46
5. Step 5: Solve for x
   x = 8,866,448,180.46/105,951.75
6. Step 6: Final answer
   x = 83,683.83