Finding the Fourth Proportional to 194,938.50, 269,015.94 and 105,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   194,938.50 : 269,015.94 = 105,514.50 : x
2. Step 2: Convert to fraction form
   194,938.50/269,015.94 = 105,514.50/x
3. Step 3: Cross multiply
   194,938.50x = 269,015.94 × 105,514.50
4. Step 4: Simplify right side
   194,938.50x = 28,385,082,401.13
5. Step 5: Solve for x
   x = 28,385,082,401.13/194,938.50
6. Step 6: Final answer
   x = 145,610.45