Finding the Fourth Proportional to 200,800.92, 277,111.26 and 111,375

Step by Step Solution

1. Step 1: Write the proportion equation
   200,800.92 : 277,111.26 = 111,375 : x
2. Step 2: Convert to fraction form
   200,800.92/277,111.26 = 111,375/x
3. Step 3: Cross multiply
   200,800.92x = 277,111.26 × 111,375
4. Step 4: Simplify right side
   200,800.92x = 30,863,266,582.50
5. Step 5: Solve for x
   x = 30,863,266,582.50/200,800.92
6. Step 6: Final answer
   x = 153,700.82