Finding the Fourth Proportional to 194,575.50, 268,514.46 and 105,151.50

Step by Step Solution

1. Step 1: Write the proportion equation
   194,575.50 : 268,514.46 = 105,151.50 : x
2. Step 2: Convert to fraction form
   194,575.50/268,514.46 = 105,151.50/x
3. Step 3: Cross multiply
   194,575.50x = 268,514.46 × 105,151.50
4. Step 4: Simplify right side
   194,575.50x = 28,234,698,240.69
5. Step 5: Solve for x
   x = 28,234,698,240.69/194,575.50
6. Step 6: Final answer
   x = 145,109.22