Finding the Fourth Proportional to 195,019.50, 269,126.91 and 105,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,019.50 : 269,126.91 = 105,595.50 : x
2. Step 2: Convert to fraction form
   195,019.50/269,126.91 = 105,595.50/x
3. Step 3: Cross multiply
   195,019.50x = 269,126.91 × 105,595.50
4. Step 4: Simplify right side
   195,019.50x = 28,418,590,624.91
5. Step 5: Solve for x
   x = 28,418,590,624.91/195,019.50
6. Step 6: Final answer
   x = 145,721.79