Finding the Fourth Proportional to 199,226.72, 274,932.24 and 109,802.72

Step by Step Solution

1. Step 1: Write the proportion equation
   199,226.72 : 274,932.24 = 109,802.72 : x
2. Step 2: Convert to fraction form
   199,226.72/274,932.24 = 109,802.72/x
3. Step 3: Cross multiply
   199,226.72x = 274,932.24 × 109,802.72
4. Step 4: Simplify right side
   199,226.72x = 30,188,307,767.69
5. Step 5: Solve for x
   x = 30,188,307,767.69/199,226.72
6. Step 6: Final answer
   x = 151,527.40