Finding the Fourth Proportional to 2,978.04, 4,112.22 and 2,095.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.04 : 4,112.22 = 2,095.80 : x
2. Step 2: Convert to fraction form
   2,978.04/4,112.22 = 2,095.80/x
3. Step 3: Cross multiply
   2,978.04x = 4,112.22 × 2,095.80
4. Step 4: Simplify right side
   2,978.04x = 8,618,390.68
5. Step 5: Solve for x
   x = 8,618,390.68/2,978.04
6. Step 6: Final answer
   x = 2,893.98