Finding the Fourth Proportional to 2,657.39, 3,667.32 and 1,478.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.39 : 3,667.32 = 1,478.49 : x
2. Step 2: Convert to fraction form
   2,657.39/3,667.32 = 1,478.49/x
3. Step 3: Cross multiply
   2,657.39x = 3,667.32 × 1,478.49
4. Step 4: Simplify right side
   2,657.39x = 5,422,095.95
5. Step 5: Solve for x
   x = 5,422,095.95/2,657.39
6. Step 6: Final answer
   x = 2,040.39