Finding the Fourth Proportional to 105,868.08, 146,109.56 and 60,550.20

Step by Step Solution

1. Step 1: Write the proportion equation
   105,868.08 : 146,109.56 = 60,550.20 : x
2. Step 2: Convert to fraction form
   105,868.08/146,109.56 = 60,550.20/x
3. Step 3: Cross multiply
   105,868.08x = 146,109.56 × 60,550.20
4. Step 4: Simplify right side
   105,868.08x = 8,846,962,777.16
5. Step 5: Solve for x
   x = 8,846,962,777.16/105,868.08
6. Step 6: Final answer
   x = 83,565.91