Finding the Fourth Proportional to 191,152.50, 263,797.22 and 105,118.04

Step by Step Solution

1. Step 1: Write the proportion equation
   191,152.50 : 263,797.22 = 105,118.04 : x
2. Step 2: Convert to fraction form
   191,152.50/263,797.22 = 105,118.04/x
3. Step 3: Cross multiply
   191,152.50x = 263,797.22 × 105,118.04
4. Step 4: Simplify right side
   191,152.50x = 27,729,846,723.85
5. Step 5: Solve for x
   x = 27,729,846,723.85/191,152.50
6. Step 6: Final answer
   x = 145,066.62