Finding the Fourth Proportional to 2,669.94, 3,686.04 and 2,079.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.94 : 3,686.04 = 2,079.18 : x
2. Step 2: Convert to fraction form
   2,669.94/3,686.04 = 2,079.18/x
3. Step 3: Cross multiply
   2,669.94x = 3,686.04 × 2,079.18
4. Step 4: Simplify right side
   2,669.94x = 7,663,940.65
5. Step 5: Solve for x
   x = 7,663,940.65/2,669.94
6. Step 6: Final answer
   x = 2,870.45