Finding the Fourth Proportional to 3,196.22, 4,790.27 and 1,439.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.22 : 4,790.27 = 1,439.34 : x
2. Step 2: Convert to fraction form
   3,196.22/4,790.27 = 1,439.34/x
3. Step 3: Cross multiply
   3,196.22x = 4,790.27 × 1,439.34
4. Step 4: Simplify right side
   3,196.22x = 6,894,820.03
5. Step 5: Solve for x
   x = 6,894,820.03/3,196.22
6. Step 6: Final answer
   x = 2,157.18