Finding the Fourth Proportional to 2,678.45, 3,696.18 and 1,499.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.45 : 3,696.18 = 1,499.54 : x
2. Step 2: Convert to fraction form
   2,678.45/3,696.18 = 1,499.54/x
3. Step 3: Cross multiply
   2,678.45x = 3,696.18 × 1,499.54
4. Step 4: Simplify right side
   2,678.45x = 5,542,551.28
5. Step 5: Solve for x
   x = 5,542,551.28/2,678.45
6. Step 6: Final answer
   x = 2,069.32