Finding the Fourth Proportional to 190,081.10, 262,308.54 and 109,508.42

Step by Step Solution

1. Step 1: Write the proportion equation
   190,081.10 : 262,308.54 = 109,508.42 : x
2. Step 2: Convert to fraction form
   190,081.10/262,308.54 = 109,508.42/x
3. Step 3: Cross multiply
   190,081.10x = 262,308.54 × 109,508.42
4. Step 4: Simplify right side
   190,081.10x = 28,724,993,767.91
5. Step 5: Solve for x
   x = 28,724,993,767.91/190,081.10
6. Step 6: Final answer
   x = 151,119.67