Finding the Fourth Proportional to 195,334.50, 269,561.61 and 105,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,334.50 : 269,561.61 = 105,910.50 : x
2. Step 2: Convert to fraction form
   195,334.50/269,561.61 = 105,910.50/x
3. Step 3: Cross multiply
   195,334.50x = 269,561.61 × 105,910.50
4. Step 4: Simplify right side
   195,334.50x = 28,549,404,895.91
5. Step 5: Solve for x
   x = 28,549,404,895.91/195,334.50
6. Step 6: Final answer
   x = 146,156.49