Finding the Fourth Proportional to 2,665.47, 3,678.40 and 1,486.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.47 : 3,678.40 = 1,486.41 : x
2. Step 2: Convert to fraction form
   2,665.47/3,678.40 = 1,486.41/x
3. Step 3: Cross multiply
   2,665.47x = 3,678.40 × 1,486.41
4. Step 4: Simplify right side
   2,665.47x = 5,467,603.11
5. Step 5: Solve for x
   x = 5,467,603.11/2,665.47
6. Step 6: Final answer
   x = 2,051.27