Finding the Fourth Proportional to 325,238.16, 487,911.96 and 111,997.56

Step by Step Solution

1. Step 1: Write the proportion equation
   325,238.16 : 487,911.96 = 111,997.56 : x
2. Step 2: Convert to fraction form
   325,238.16/487,911.96 = 111,997.56/x
3. Step 3: Cross multiply
   325,238.16x = 487,911.96 × 111,997.56
4. Step 4: Simplify right side
   325,238.16x = 54,644,949,014.82
5. Step 5: Solve for x
   x = 54,644,949,014.82/325,238.16
6. Step 6: Final answer
   x = 168,015.18