Finding the Fourth Proportional to 2,657.40, 3,667.04 and 1,478.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.40 : 3,667.04 = 1,478.44 : x
2. Step 2: Convert to fraction form
   2,657.40/3,667.04 = 1,478.44/x
3. Step 3: Cross multiply
   2,657.40x = 3,667.04 × 1,478.44
4. Step 4: Simplify right side
   2,657.40x = 5,421,498.62
5. Step 5: Solve for x
   x = 5,421,498.62/2,657.40
6. Step 6: Final answer
   x = 2,040.15