Finding the Fourth Proportional to 195,287.72, 269,496.42 and 105,863.72

Step by Step Solution

1. Step 1: Write the proportion equation
   195,287.72 : 269,496.42 = 105,863.72 : x
2. Step 2: Convert to fraction form
   195,287.72/269,496.42 = 105,863.72/x
3. Step 3: Cross multiply
   195,287.72x = 269,496.42 × 105,863.72
4. Step 4: Simplify right side
   195,287.72x = 28,529,893,547.88
5. Step 5: Solve for x
   x = 28,529,893,547.88/195,287.72
6. Step 6: Final answer
   x = 146,091.59