Finding the Fourth Proportional to 404,094.50, 606,141.76 and 224,290.30

Step by Step Solution

1. Step 1: Write the proportion equation
   404,094.50 : 606,141.76 = 224,290.30 : x
2. Step 2: Convert to fraction form
   404,094.50/606,141.76 = 224,290.30/x
3. Step 3: Cross multiply
   404,094.50x = 606,141.76 × 224,290.30
4. Step 4: Simplify right side
   404,094.50x = 135,951,717,192.93
5. Step 5: Solve for x
   x = 135,951,717,192.93/404,094.50
6. Step 6: Final answer
   x = 336,435.46