Finding the Fourth Proportional to 2,665.47, 3,991.03 and 1,738.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.47 : 3,991.03 = 1,738.73 : x
2. Step 2: Convert to fraction form
   2,665.47/3,991.03 = 1,738.73/x
3. Step 3: Cross multiply
   2,665.47x = 3,991.03 × 1,738.73
4. Step 4: Simplify right side
   2,665.47x = 6,939,323.59
5. Step 5: Solve for x
   x = 6,939,323.59/2,665.47
6. Step 6: Final answer
   x = 2,603.41