Finding the Fourth Proportional to 301,123.47, 451,609.59 and 123,679.47

Step by Step Solution

1. Step 1: Write the proportion equation
   301,123.47 : 451,609.59 = 123,679.47 : x
2. Step 2: Convert to fraction form
   301,123.47/451,609.59 = 123,679.47/x
3. Step 3: Cross multiply
   301,123.47x = 451,609.59 × 123,679.47
4. Step 4: Simplify right side
   301,123.47x = 55,854,834,738.12
5. Step 5: Solve for x
   x = 55,854,834,738.12/301,123.47
6. Step 6: Final answer
   x = 185,488.15