Finding the Fourth Proportional to 403,793.30, 605,544.15 and 204,047.30

Step by Step Solution

1. Step 1: Write the proportion equation
   403,793.30 : 605,544.15 = 204,047.30 : x
2. Step 2: Convert to fraction form
   403,793.30/605,544.15 = 204,047.30/x
3. Step 3: Cross multiply
   403,793.30x = 605,544.15 × 204,047.30
4. Step 4: Simplify right side
   403,793.30x = 123,559,648,838.30
5. Step 5: Solve for x
   x = 123,559,648,838.30/403,793.30
6. Step 6: Final answer
   x = 305,997.27