Finding the Fourth Proportional to 105,974.48, 146,247.90 and 60,667

Step by Step Solution

1. Step 1: Write the proportion equation
   105,974.48 : 146,247.90 = 60,667 : x
2. Step 2: Convert to fraction form
   105,974.48/146,247.90 = 60,667/x
3. Step 3: Cross multiply
   105,974.48x = 146,247.90 × 60,667
4. Step 4: Simplify right side
   105,974.48x = 8,872,421,349.30
5. Step 5: Solve for x
   x = 8,872,421,349.30/105,974.48
6. Step 6: Final answer
   x = 83,722.24