Finding the Fourth Proportional to 1,271,064.83, 1,906,662.83 and 324,443.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,064.83 : 1,906,662.83 = 324,443.75 : x
2. Step 2: Convert to fraction form
   1,271,064.83/1,906,662.83 = 324,443.75/x
3. Step 3: Cross multiply
   1,271,064.83x = 1,906,662.83 × 324,443.75
4. Step 4: Simplify right side
   1,271,064.83x = 618,604,827,395.28
5. Step 5: Solve for x
   x = 618,604,827,395.28/1,271,064.83
6. Step 6: Final answer
   x = 486,682.36