Finding the Fourth Proportional to 492,994.96, 739,574.23 and 173,063.89

Step by Step Solution

1. Step 1: Write the proportion equation
   492,994.96 : 739,574.23 = 173,063.89 : x
2. Step 2: Convert to fraction form
   492,994.96/739,574.23 = 173,063.89/x
3. Step 3: Cross multiply
   492,994.96x = 739,574.23 × 173,063.89
4. Step 4: Simplify right side
   492,994.96x = 127,993,595,469.15
5. Step 5: Solve for x
   x = 127,993,595,469.15/492,994.96
6. Step 6: Final answer
   x = 259,624.55