Finding the Fourth Proportional to 2,657.41, 3,667.28 and 1,478.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.41 : 3,667.28 = 1,478.45 : x
2. Step 2: Convert to fraction form
   2,657.41/3,667.28 = 1,478.45/x
3. Step 3: Cross multiply
   2,657.41x = 3,667.28 × 1,478.45
4. Step 4: Simplify right side
   2,657.41x = 5,421,891.89
5. Step 5: Solve for x
   x = 5,421,891.89/2,657.41
6. Step 6: Final answer
   x = 2,040.29