Finding the Fourth Proportional to 2,657.58, 3,667.59 and 1,478.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.58 : 3,667.59 = 1,478.63 : x
2. Step 2: Convert to fraction form
   2,657.58/3,667.59 = 1,478.63/x
3. Step 3: Cross multiply
   2,657.58x = 3,667.59 × 1,478.63
4. Step 4: Simplify right side
   2,657.58x = 5,423,008.60
5. Step 5: Solve for x
   x = 5,423,008.60/2,657.58
6. Step 6: Final answer
   x = 2,040.58