Finding the Fourth Proportional to 199,211.56, 274,880.52 and 111,979.46

Step by Step Solution

1. Step 1: Write the proportion equation
   199,211.56 : 274,880.52 = 111,979.46 : x
2. Step 2: Convert to fraction form
   199,211.56/274,880.52 = 111,979.46/x
3. Step 3: Cross multiply
   199,211.56x = 274,880.52 × 111,979.46
4. Step 4: Simplify right side
   199,211.56x = 30,780,972,881.32
5. Step 5: Solve for x
   x = 30,780,972,881.32/199,211.56
6. Step 6: Final answer
   x = 154,513.99