Finding the Fourth Proportional to 2,362.61, 3,257.39 and 1,478.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,362.61 : 3,257.39 = 1,478.09 : x
2. Step 2: Convert to fraction form
   2,362.61/3,257.39 = 1,478.09/x
3. Step 3: Cross multiply
   2,362.61x = 3,257.39 × 1,478.09
4. Step 4: Simplify right side
   2,362.61x = 4,814,691.91
5. Step 5: Solve for x
   x = 4,814,691.91/2,362.61
6. Step 6: Final answer
   x = 2,037.87