Finding the Fourth Proportional to 301,152.72, 451,653.30 and 123,708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   301,152.72 : 451,653.30 = 123,708.72 : x
2. Step 2: Convert to fraction form
   301,152.72/451,653.30 = 123,708.72/x
3. Step 3: Cross multiply
   301,152.72x = 451,653.30 × 123,708.72
4. Step 4: Simplify right side
   301,152.72x = 55,873,451,626.78
5. Step 5: Solve for x
   x = 55,873,451,626.78/301,152.72
6. Step 6: Final answer
   x = 185,531.95