Finding the Fourth Proportional to 200,623, 276,860.22 and 111,199

Step by Step Solution

1. Step 1: Write the proportion equation
   200,623 : 276,860.22 = 111,199 : x
2. Step 2: Convert to fraction form
   200,623/276,860.22 = 111,199/x
3. Step 3: Cross multiply
   200,623x = 276,860.22 × 111,199
4. Step 4: Simplify right side
   200,623x = 30,786,579,603.78
5. Step 5: Solve for x
   x = 30,786,579,603.78/200,623
6. Step 6: Final answer
   x = 153,454.89