Finding the Fourth Proportional to 2,665.36, 3,678.12 and 1,486.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.36 : 3,678.12 = 1,486.38 : x
2. Step 2: Convert to fraction form
   2,665.36/3,678.12 = 1,486.38/x
3. Step 3: Cross multiply
   2,665.36x = 3,678.12 × 1,486.38
4. Step 4: Simplify right side
   2,665.36x = 5,467,084.01
5. Step 5: Solve for x
   x = 5,467,084.01/2,665.36
6. Step 6: Final answer
   x = 2,051.16