Finding the Fourth Proportional to 454,738.72, 682,107.60 and 122,314.72

Step by Step Solution

1. Step 1: Write the proportion equation
   454,738.72 : 682,107.60 = 122,314.72 : x
2. Step 2: Convert to fraction form
   454,738.72/682,107.60 = 122,314.72/x
3. Step 3: Cross multiply
   454,738.72x = 682,107.60 × 122,314.72
4. Step 4: Simplify right side
   454,738.72x = 83,431,800,103.87
5. Step 5: Solve for x
   x = 83,431,800,103.87/454,738.72
6. Step 6: Final answer
   x = 183,471.95