Finding the Fourth Proportional to 2,426.32, 3,646.30 and 1,439.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.32 : 3,646.30 = 1,439.28 : x
2. Step 2: Convert to fraction form
   2,426.32/3,646.30 = 1,439.28/x
3. Step 3: Cross multiply
   2,426.32x = 3,646.30 × 1,439.28
4. Step 4: Simplify right side
   2,426.32x = 5,248,046.66
5. Step 5: Solve for x
   x = 5,248,046.66/2,426.32
6. Step 6: Final answer
   x = 2,162.97