Finding the Fourth Proportional to 194,481, 268,384.02 and 105,057

Step by Step Solution

1. Step 1: Write the proportion equation
   194,481 : 268,384.02 = 105,057 : x
2. Step 2: Convert to fraction form
   194,481/268,384.02 = 105,057/x
3. Step 3: Cross multiply
   194,481x = 268,384.02 × 105,057
4. Step 4: Simplify right side
   194,481x = 28,195,619,989.14
5. Step 5: Solve for x
   x = 28,195,619,989.14/194,481
6. Step 6: Final answer
   x = 144,978.79