Finding the Fourth Proportional to 146,010.09, 219,016.89 and 57,305.37

Step by Step Solution

1. Step 1: Write the proportion equation
   146,010.09 : 219,016.89 = 57,305.37 : x
2. Step 2: Convert to fraction form
   146,010.09/219,016.89 = 57,305.37/x
3. Step 3: Cross multiply
   146,010.09x = 219,016.89 × 57,305.37
4. Step 4: Simplify right side
   146,010.09x = 12,550,843,917.70
5. Step 5: Solve for x
   x = 12,550,843,917.70/146,010.09
6. Step 6: Final answer
   x = 85,958.74