Finding the Fourth Proportional to 195,118.56, 269,262.72 and 105,694.56

Step by Step Solution

1. Step 1: Write the proportion equation
   195,118.56 : 269,262.72 = 105,694.56 : x
2. Step 2: Convert to fraction form
   195,118.56/269,262.72 = 105,694.56/x
3. Step 3: Cross multiply
   195,118.56x = 269,262.72 × 105,694.56
4. Step 4: Simplify right side
   195,118.56x = 28,459,604,714.80
5. Step 5: Solve for x
   x = 28,459,604,714.80/195,118.56
6. Step 6: Final answer
   x = 145,858.01