Finding the Fourth Proportional to 2,665.98, 3,671.44 and 2,608.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.98 : 3,671.44 = 2,608.74 : x
2. Step 2: Convert to fraction form
   2,665.98/3,671.44 = 2,608.74/x
3. Step 3: Cross multiply
   2,665.98x = 3,671.44 × 2,608.74
4. Step 4: Simplify right side
   2,665.98x = 9,577,832.39
5. Step 5: Solve for x
   x = 9,577,832.39/2,665.98
6. Step 6: Final answer
   x = 3,592.61