Finding the Fourth Proportional to 194,909.27, 268,974.83 and 105,485.27

Step by Step Solution

1. Step 1: Write the proportion equation
   194,909.27 : 268,974.83 = 105,485.27 : x
2. Step 2: Convert to fraction form
   194,909.27/268,974.83 = 105,485.27/x
3. Step 3: Cross multiply
   194,909.27x = 268,974.83 × 105,485.27
4. Step 4: Simplify right side
   194,909.27x = 28,372,882,038.33
5. Step 5: Solve for x
   x = 28,372,882,038.33/194,909.27
6. Step 6: Final answer
   x = 145,569.69