Finding the Fourth Proportional to 2,878.83, 3,968.55 and 2,036.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878.83 : 3,968.55 = 2,036.93 : x
2. Step 2: Convert to fraction form
   2,878.83/3,968.55 = 2,036.93/x
3. Step 3: Cross multiply
   2,878.83x = 3,968.55 × 2,036.93
4. Step 4: Simplify right side
   2,878.83x = 8,083,658.55
5. Step 5: Solve for x
   x = 8,083,658.55/2,878.83
6. Step 6: Final answer
   x = 2,807.97