Finding the Fourth Proportional to 363,123, 501,109.74 and 204,147

Step by Step Solution

1. Step 1: Write the proportion equation
   363,123 : 501,109.74 = 204,147 : x
2. Step 2: Convert to fraction form
   363,123/501,109.74 = 204,147/x
3. Step 3: Cross multiply
   363,123x = 501,109.74 × 204,147
4. Step 4: Simplify right side
   363,123x = 102,300,050,091.78
5. Step 5: Solve for x
   x = 102,300,050,091.78/363,123
6. Step 6: Final answer
   x = 281,722.86