Finding the Fourth Proportional to 105,572.92, 145,693 and 60,250

Step by Step Solution

1. Step 1: Write the proportion equation
   105,572.92 : 145,693 = 60,250 : x
2. Step 2: Convert to fraction form
   105,572.92/145,693 = 60,250/x
3. Step 3: Cross multiply
   105,572.92x = 145,693 × 60,250
4. Step 4: Simplify right side
   105,572.92x = 8,778,003,250
5. Step 5: Solve for x
   x = 8,778,003,250/105,572.92
6. Step 6: Final answer
   x = 83,146.35