Finding the Fourth Proportional to 200,672.18, 276,940.06 and 111,248.18

Step by Step Solution

1. Step 1: Write the proportion equation
   200,672.18 : 276,940.06 = 111,248.18 : x
2. Step 2: Convert to fraction form
   200,672.18/276,940.06 = 111,248.18/x
3. Step 3: Cross multiply
   200,672.18x = 276,940.06 × 111,248.18
4. Step 4: Simplify right side
   200,672.18x = 30,809,077,644.09
5. Step 5: Solve for x
   x = 30,809,077,644.09/200,672.18
6. Step 6: Final answer
   x = 153,529.39