Finding the Fourth Proportional to 105,958.79, 146,231.31 and 60,650.99

Step by Step Solution

1. Step 1: Write the proportion equation
   105,958.79 : 146,231.31 = 60,650.99 : x
2. Step 2: Convert to fraction form
   105,958.79/146,231.31 = 60,650.99/x
3. Step 3: Cross multiply
   105,958.79x = 146,231.31 × 60,650.99
4. Step 4: Simplify right side
   105,958.79x = 8,869,072,989.34
5. Step 5: Solve for x
   x = 8,869,072,989.34/105,958.79
6. Step 6: Final answer
   x = 83,703.05