Finding the Fourth Proportional to 2,657.21, 3,667.01 and 1,478.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.21 : 3,667.01 = 1,478.25 : x
2. Step 2: Convert to fraction form
   2,657.21/3,667.01 = 1,478.25/x
3. Step 3: Cross multiply
   2,657.21x = 3,667.01 × 1,478.25
4. Step 4: Simplify right side
   2,657.21x = 5,420,750.14
5. Step 5: Solve for x
   x = 5,420,750.14/2,657.21
6. Step 6: Final answer
   x = 2,040.02