Finding the Fourth Proportional to 200,684.42, 276,944.89 and 111,260.42

Step by Step Solution

1. Step 1: Write the proportion equation
   200,684.42 : 276,944.89 = 111,260.42 : x
2. Step 2: Convert to fraction form
   200,684.42/276,944.89 = 111,260.42/x
3. Step 3: Cross multiply
   200,684.42x = 276,944.89 × 111,260.42
4. Step 4: Simplify right side
   200,684.42x = 30,813,004,778.25
5. Step 5: Solve for x
   x = 30,813,004,778.25/200,684.42
6. Step 6: Final answer
   x = 153,539.60