Finding the Fourth Proportional to 3,665.41, 5,051.49 and 2,603.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.41 : 5,051.49 = 2,603.23 : x
2. Step 2: Convert to fraction form
   3,665.41/5,051.49 = 2,603.23/x
3. Step 3: Cross multiply
   3,665.41x = 5,051.49 × 2,603.23
4. Step 4: Simplify right side
   3,665.41x = 13,150,168.14
5. Step 5: Solve for x
   x = 13,150,168.14/3,665.41
6. Step 6: Final answer
   x = 3,587.63