Finding the Fourth Proportional to 106,112.50, 146,456.05 and 60,820.85

Step by Step Solution

1. Step 1: Write the proportion equation
   106,112.50 : 146,456.05 = 60,820.85 : x
2. Step 2: Convert to fraction form
   106,112.50/146,456.05 = 60,820.85/x
3. Step 3: Cross multiply
   106,112.50x = 146,456.05 × 60,820.85
4. Step 4: Simplify right side
   106,112.50x = 8,907,580,868.41
5. Step 5: Solve for x
   x = 8,907,580,868.41/106,112.50
6. Step 6: Final answer
   x = 83,944.69