Finding the Fourth Proportional to 195,160.25, 269,321.15 and 105,736.25

Step by Step Solution

1. Step 1: Write the proportion equation
   195,160.25 : 269,321.15 = 105,736.25 : x
2. Step 2: Convert to fraction form
   195,160.25/269,321.15 = 105,736.25/x
3. Step 3: Cross multiply
   195,160.25x = 269,321.15 × 105,736.25
4. Step 4: Simplify right side
   195,160.25x = 28,477,008,446.69
5. Step 5: Solve for x
   x = 28,477,008,446.69/195,160.25
6. Step 6: Final answer
   x = 145,916.03