Finding the Fourth Proportional to 2,665.78, 3,678.76 and 1,486.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.78 : 3,678.76 = 1,486.82 : x
2. Step 2: Convert to fraction form
   2,665.78/3,678.76 = 1,486.82/x
3. Step 3: Cross multiply
   2,665.78x = 3,678.76 × 1,486.82
4. Step 4: Simplify right side
   2,665.78x = 5,469,653.94
5. Step 5: Solve for x
   x = 5,469,653.94/2,665.78
6. Step 6: Final answer
   x = 2,051.80