Finding the Fourth Proportional to 199,185.14, 274,868.51 and 111,967.58

Step by Step Solution

1. Step 1: Write the proportion equation
   199,185.14 : 274,868.51 = 111,967.58 : x
2. Step 2: Convert to fraction form
   199,185.14/274,868.51 = 111,967.58/x
3. Step 3: Cross multiply
   199,185.14x = 274,868.51 × 111,967.58
4. Step 4: Simplify right side
   199,185.14x = 30,776,360,508.56
5. Step 5: Solve for x
   x = 30,776,360,508.56/199,185.14
6. Step 6: Final answer
   x = 154,511.33