Finding the Fourth Proportional to 404,406.84, 605,798.22 and 201,391.28

Step by Step Solution

1. Step 1: Write the proportion equation
   404,406.84 : 605,798.22 = 201,391.28 : x
2. Step 2: Convert to fraction form
   404,406.84/605,798.22 = 201,391.28/x
3. Step 3: Cross multiply
   404,406.84x = 605,798.22 × 201,391.28
4. Step 4: Simplify right side
   404,406.84x = 122,002,478,947.52
5. Step 5: Solve for x
   x = 122,002,478,947.52/404,406.84
6. Step 6: Final answer
   x = 301,682.53