Finding the Fourth Proportional to 105,969.06, 146,228.82 and 60,636.65

Step by Step Solution

1. Step 1: Write the proportion equation
   105,969.06 : 146,228.82 = 60,636.65 : x
2. Step 2: Convert to fraction form
   105,969.06/146,228.82 = 60,636.65/x
3. Step 3: Cross multiply
   105,969.06x = 146,228.82 × 60,636.65
4. Step 4: Simplify right side
   105,969.06x = 8,866,825,812.80
5. Step 5: Solve for x
   x = 8,866,825,812.80/105,969.06
6. Step 6: Final answer
   x = 83,673.72