Finding the Fourth Proportional to 195,196.48, 269,371.28 and 105,772.48

Step by Step Solution

1. Step 1: Write the proportion equation
   195,196.48 : 269,371.28 = 105,772.48 : x
2. Step 2: Convert to fraction form
   195,196.48/269,371.28 = 105,772.48/x
3. Step 3: Cross multiply
   195,196.48x = 269,371.28 × 105,772.48
4. Step 4: Simplify right side
   195,196.48x = 28,492,068,326.37
5. Step 5: Solve for x
   x = 28,492,068,326.37/195,196.48
6. Step 6: Final answer
   x = 145,966.10