Finding the Fourth Proportional to 2,657.46, 3,667.31 and 1,478.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.46 : 3,667.31 = 1,478.54 : x
2. Step 2: Convert to fraction form
   2,657.46/3,667.31 = 1,478.54/x
3. Step 3: Cross multiply
   2,657.46x = 3,667.31 × 1,478.54
4. Step 4: Simplify right side
   2,657.46x = 5,422,238.80
5. Step 5: Solve for x
   x = 5,422,238.80/2,657.46
6. Step 6: Final answer
   x = 2,040.38