Finding the Fourth Proportional to 194,662.80, 268,594.56 and 111,860.78

Step by Step Solution

1. Step 1: Write the proportion equation
   194,662.80 : 268,594.56 = 111,860.78 : x
2. Step 2: Convert to fraction form
   194,662.80/268,594.56 = 111,860.78/x
3. Step 3: Cross multiply
   194,662.80x = 268,594.56 × 111,860.78
4. Step 4: Simplify right side
   194,662.80x = 30,045,196,177.40
5. Step 5: Solve for x
   x = 30,045,196,177.40/194,662.80
6. Step 6: Final answer
   x = 154,344.82