Finding the Fourth Proportional to 200,938.50, 277,295.13 and 111,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,938.50 : 277,295.13 = 111,514.50 : x
2. Step 2: Convert to fraction form
   200,938.50/277,295.13 = 111,514.50/x
3. Step 3: Cross multiply
   200,938.50x = 277,295.13 × 111,514.50
4. Step 4: Simplify right side
   200,938.50x = 30,922,427,774.39
5. Step 5: Solve for x
   x = 30,922,427,774.39/200,938.50
6. Step 6: Final answer
   x = 153,890.01