Finding the Fourth Proportional to 626,559.96, 864,629.59 and 340,073.89

Step by Step Solution

1. Step 1: Write the proportion equation
   626,559.96 : 864,629.59 = 340,073.89 : x
2. Step 2: Convert to fraction form
   626,559.96/864,629.59 = 340,073.89/x
3. Step 3: Cross multiply
   626,559.96x = 864,629.59 × 340,073.89
4. Step 4: Simplify right side
   626,559.96x = 294,037,950,569.83
5. Step 5: Solve for x
   x = 294,037,950,569.83/626,559.96
6. Step 6: Final answer
   x = 469,289.41