Finding the Fourth Proportional to 105,993.72, 146,273.04 and 60,671.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,993.72 : 146,273.04 = 60,671.52 : x
2. Step 2: Convert to fraction form
   105,993.72/146,273.04 = 60,671.52/x
3. Step 3: Cross multiply
   105,993.72x = 146,273.04 × 60,671.52
4. Step 4: Simplify right side
   105,993.72x = 8,874,607,671.82
5. Step 5: Solve for x
   x = 8,874,607,671.82/105,993.72
6. Step 6: Final answer
   x = 83,727.67