Finding the Fourth Proportional to 2,665.62, 3,678.52 and 1,486.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.62 : 3,678.52 = 1,486.66 : x
2. Step 2: Convert to fraction form
   2,665.62/3,678.52 = 1,486.66/x
3. Step 3: Cross multiply
   2,665.62x = 3,678.52 × 1,486.66
4. Step 4: Simplify right side
   2,665.62x = 5,468,708.54
5. Step 5: Solve for x
   x = 5,468,708.54/2,665.62
6. Step 6: Final answer
   x = 2,051.57