Finding the Fourth Proportional to 298,225.50, 411,559.83 and 164,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   298,225.50 : 411,559.83 = 164,089.50 : x
2. Step 2: Convert to fraction form
   298,225.50/411,559.83 = 164,089.50/x
3. Step 3: Cross multiply
   298,225.50x = 411,559.83 × 164,089.50
4. Step 4: Simplify right side
   298,225.50x = 67,532,646,724.79
5. Step 5: Solve for x
   x = 67,532,646,724.79/298,225.50
6. Step 6: Final answer
   x = 226,448.26