Finding the Fourth Proportional to 200,485.92, 276,621.84 and 111,061.92

Step by Step Solution

1. Step 1: Write the proportion equation
   200,485.92 : 276,621.84 = 111,061.92 : x
2. Step 2: Convert to fraction form
   200,485.92/276,621.84 = 111,061.92/x
3. Step 3: Cross multiply
   200,485.92x = 276,621.84 × 111,061.92
4. Step 4: Simplify right side
   200,485.92x = 30,722,152,664.33
5. Step 5: Solve for x
   x = 30,722,152,664.33/200,485.92
6. Step 6: Final answer
   x = 153,238.46