Finding the Fourth Proportional to 194,778.27, 268,793.51 and 105,354.27

Step by Step Solution

1. Step 1: Write the proportion equation
   194,778.27 : 268,793.51 = 105,354.27 : x
2. Step 2: Convert to fraction form
   194,778.27/268,793.51 = 105,354.27/x
3. Step 3: Cross multiply
   194,778.27x = 268,793.51 × 105,354.27
4. Step 4: Simplify right side
   194,778.27x = 28,318,543,500.02
5. Step 5: Solve for x
   x = 28,318,543,500.02/194,778.27
6. Step 6: Final answer
   x = 145,388.62