Finding the Fourth Proportional to 2,419.02, 3,629.52 and 859.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.02 : 3,629.52 = 859.32 : x
2. Step 2: Convert to fraction form
   2,419.02/3,629.52 = 859.32/x
3. Step 3: Cross multiply
   2,419.02x = 3,629.52 × 859.32
4. Step 4: Simplify right side
   2,419.02x = 3,118,919.13
5. Step 5: Solve for x
   x = 3,118,919.13/2,419.02
6. Step 6: Final answer
   x = 1,289.33