Finding the Fourth Proportional to 2,657.61, 3,667.14 and 1,478.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.61 : 3,667.14 = 1,478.52 : x
2. Step 2: Convert to fraction form
   2,657.61/3,667.14 = 1,478.52/x
3. Step 3: Cross multiply
   2,657.61x = 3,667.14 × 1,478.52
4. Step 4: Simplify right side
   2,657.61x = 5,421,939.83
5. Step 5: Solve for x
   x = 5,421,939.83/2,657.61
6. Step 6: Final answer
   x = 2,040.16