Finding the Fourth Proportional to 298,255.50, 411,592.59 and 164,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   298,255.50 : 411,592.59 = 164,119.50 : x
2. Step 2: Convert to fraction form
   298,255.50/411,592.59 = 164,119.50/x
3. Step 3: Cross multiply
   298,255.50x = 411,592.59 × 164,119.50
4. Step 4: Simplify right side
   298,255.50x = 67,550,370,074.51
5. Step 5: Solve for x
   x = 67,550,370,074.51/298,255.50
6. Step 6: Final answer
   x = 226,484.91