Finding the Fourth Proportional to 801,729.27, 1,201,724.37 and 401,404.59

Step by Step Solution

1. Step 1: Write the proportion equation
   801,729.27 : 1,201,724.37 = 401,404.59 : x
2. Step 2: Convert to fraction form
   801,729.27/1,201,724.37 = 401,404.59/x
3. Step 3: Cross multiply
   801,729.27x = 1,201,724.37 × 401,404.59
4. Step 4: Simplify right side
   801,729.27x = 482,377,678,032.86
5. Step 5: Solve for x
   x = 482,377,678,032.86/801,729.27
6. Step 6: Final answer
   x = 601,671.53