Finding the Fourth Proportional to 195,045, 269,162.10 and 105,621

Step by Step Solution

1. Step 1: Write the proportion equation
   195,045 : 269,162.10 = 105,621 : x
2. Step 2: Convert to fraction form
   195,045/269,162.10 = 105,621/x
3. Step 3: Cross multiply
   195,045x = 269,162.10 × 105,621
4. Step 4: Simplify right side
   195,045x = 28,429,170,164.10
5. Step 5: Solve for x
   x = 28,429,170,164.10/195,045
6. Step 6: Final answer
   x = 145,756.98