Finding the Fourth Proportional to 3,978.91, 5,959.27 and 1,900.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.91 : 5,959.27 = 1,900.37 : x
2. Step 2: Convert to fraction form
   3,978.91/5,959.27 = 1,900.37/x
3. Step 3: Cross multiply
   3,978.91x = 5,959.27 × 1,900.37
4. Step 4: Simplify right side
   3,978.91x = 11,324,843.58
5. Step 5: Solve for x
   x = 11,324,843.58/3,978.91
6. Step 6: Final answer
   x = 2,846.22