Finding the Fourth Proportional to 194,687, 268,668.06 and 105,263

Step by Step Solution

1. Step 1: Write the proportion equation
   194,687 : 268,668.06 = 105,263 : x
2. Step 2: Convert to fraction form
   194,687/268,668.06 = 105,263/x
3. Step 3: Cross multiply
   194,687x = 268,668.06 × 105,263
4. Step 4: Simplify right side
   194,687x = 28,280,805,999.78
5. Step 5: Solve for x
   x = 28,280,805,999.78/194,687
6. Step 6: Final answer
   x = 145,262.94