Finding the Fourth Proportional to 2,657.61, 3,667.23 and 1,478.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.61 : 3,667.23 = 1,478.43 : x
2. Step 2: Convert to fraction form
   2,657.61/3,667.23 = 1,478.43/x
3. Step 3: Cross multiply
   2,657.61x = 3,667.23 × 1,478.43
4. Step 4: Simplify right side
   2,657.61x = 5,421,742.85
5. Step 5: Solve for x
   x = 5,421,742.85/2,657.61
6. Step 6: Final answer
   x = 2,040.08