Finding the Fourth Proportional to 194,428.69, 268,311.62 and 105,004.69

Step by Step Solution

1. Step 1: Write the proportion equation
   194,428.69 : 268,311.62 = 105,004.69 : x
2. Step 2: Convert to fraction form
   194,428.69/268,311.62 = 105,004.69/x
3. Step 3: Cross multiply
   194,428.69x = 268,311.62 × 105,004.69
4. Step 4: Simplify right side
   194,428.69x = 28,173,978,073.23
5. Step 5: Solve for x
   x = 28,173,978,073.23/194,428.69
6. Step 6: Final answer
   x = 144,906.49