Finding the Fourth Proportional to 425,484.69, 587,362.91 and 303,055.89

Step by Step Solution

1. Step 1: Write the proportion equation
   425,484.69 : 587,362.91 = 303,055.89 : x
2. Step 2: Convert to fraction form
   425,484.69/587,362.91 = 303,055.89/x
3. Step 3: Cross multiply
   425,484.69x = 587,362.91 × 303,055.89
4. Step 4: Simplify right side
   425,484.69x = 178,003,787,927.76
5. Step 5: Solve for x
   x = 178,003,787,927.76/425,484.69
6. Step 6: Final answer
   x = 418,355.33