Finding the Fourth Proportional to 2,657.86, 3,667.90 and 1,478.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.86 : 3,667.90 = 1,478.94 : x
2. Step 2: Convert to fraction form
   2,657.86/3,667.90 = 1,478.94/x
3. Step 3: Cross multiply
   2,657.86x = 3,667.90 × 1,478.94
4. Step 4: Simplify right side
   2,657.86x = 5,424,604.03
5. Step 5: Solve for x
   x = 5,424,604.03/2,657.86
6. Step 6: Final answer
   x = 2,040.97