Finding the Fourth Proportional to 195,016.50, 269,122.77 and 105,592.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,016.50 : 269,122.77 = 105,592.50 : x
2. Step 2: Convert to fraction form
   195,016.50/269,122.77 = 105,592.50/x
3. Step 3: Cross multiply
   195,016.50x = 269,122.77 × 105,592.50
4. Step 4: Simplify right side
   195,016.50x = 28,417,346,091.23
5. Step 5: Solve for x
   x = 28,417,346,091.23/195,016.50
6. Step 6: Final answer
   x = 145,717.65