Finding the Fourth Proportional to 327,111.78, 490,710.60 and 113,856.60

Step by Step Solution

1. Step 1: Write the proportion equation
   327,111.78 : 490,710.60 = 113,856.60 : x
2. Step 2: Convert to fraction form
   327,111.78/490,710.60 = 113,856.60/x
3. Step 3: Cross multiply
   327,111.78x = 490,710.60 × 113,856.60
4. Step 4: Simplify right side
   327,111.78x = 55,870,640,499.96
5. Step 5: Solve for x
   x = 55,870,640,499.96/327,111.78
6. Step 6: Final answer
   x = 170,799.84