Finding the Fourth Proportional to 168,665.15, 232,607.24 and 139,939.33

Step by Step Solution

1. Step 1: Write the proportion equation
   168,665.15 : 232,607.24 = 139,939.33 : x
2. Step 2: Convert to fraction form
   168,665.15/232,607.24 = 139,939.33/x
3. Step 3: Cross multiply
   168,665.15x = 232,607.24 × 139,939.33
4. Step 4: Simplify right side
   168,665.15x = 32,550,899,456.02
5. Step 5: Solve for x
   x = 32,550,899,456.02/168,665.15
6. Step 6: Final answer
   x = 192,991.26