Finding the Fourth Proportional to 301,112.16, 451,766.96 and 123,702.72

Step by Step Solution

1. Step 1: Write the proportion equation
   301,112.16 : 451,766.96 = 123,702.72 : x
2. Step 2: Convert to fraction form
   301,112.16/451,766.96 = 123,702.72/x
3. Step 3: Cross multiply
   301,112.16x = 451,766.96 × 123,702.72
4. Step 4: Simplify right side
   301,112.16x = 55,884,801,758.13
5. Step 5: Solve for x
   x = 55,884,801,758.13/301,112.16
6. Step 6: Final answer
   x = 185,594.64