Finding the Fourth Proportional to 199,150.38, 274,929.06 and 134,958.72

Step by Step Solution

1. Step 1: Write the proportion equation
   199,150.38 : 274,929.06 = 134,958.72 : x
2. Step 2: Convert to fraction form
   199,150.38/274,929.06 = 134,958.72/x
3. Step 3: Cross multiply
   199,150.38x = 274,929.06 × 134,958.72
4. Step 4: Simplify right side
   199,150.38x = 37,104,074,028.40
5. Step 5: Solve for x
   x = 37,104,074,028.40/199,150.38
6. Step 6: Final answer
   x = 186,311.84