Finding the Fourth Proportional to 194,436.27, 268,321.89 and 105,012.27

Step by Step Solution

1. Step 1: Write the proportion equation
   194,436.27 : 268,321.89 = 105,012.27 : x
2. Step 2: Convert to fraction form
   194,436.27/268,321.89 = 105,012.27/x
3. Step 3: Cross multiply
   194,436.27x = 268,321.89 × 105,012.27
4. Step 4: Simplify right side
   194,436.27x = 28,177,090,759.59
5. Step 5: Solve for x
   x = 28,177,090,759.59/194,436.27
6. Step 6: Final answer
   x = 144,916.84