Finding the Fourth Proportional to 200,733.50, 277,012.23 and 111,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,733.50 : 277,012.23 = 111,309.50 : x
2. Step 2: Convert to fraction form
   200,733.50/277,012.23 = 111,309.50/x
3. Step 3: Cross multiply
   200,733.50x = 277,012.23 × 111,309.50
4. Step 4: Simplify right side
   200,733.50x = 30,834,092,815.19
5. Step 5: Solve for x
   x = 30,834,092,815.19/200,733.50
6. Step 6: Final answer
   x = 153,607.11