Finding the Fourth Proportional to 608,626.69, 839,929.56 and 336,689.89

Step by Step Solution

1. Step 1: Write the proportion equation
   608,626.69 : 839,929.56 = 336,689.89 : x
2. Step 2: Convert to fraction form
   608,626.69/839,929.56 = 336,689.89/x
3. Step 3: Cross multiply
   608,626.69x = 839,929.56 × 336,689.89
4. Step 4: Simplify right side
   608,626.69x = 282,795,791,164.15
5. Step 5: Solve for x
   x = 282,795,791,164.15/608,626.69
6. Step 6: Final answer
   x = 464,645.73