Finding the Fourth Proportional to 298,590.50, 412,054.89 and 164,454.50

Step by Step Solution

1. Step 1: Write the proportion equation
   298,590.50 : 412,054.89 = 164,454.50 : x
2. Step 2: Convert to fraction form
   298,590.50/412,054.89 = 164,454.50/x
3. Step 3: Cross multiply
   298,590.50x = 412,054.89 × 164,454.50
4. Step 4: Simplify right side
   298,590.50x = 67,764,280,907.51
5. Step 5: Solve for x
   x = 67,764,280,907.51/298,590.50
6. Step 6: Final answer
   x = 226,947.21