Finding the Fourth Proportional to 2,031.58, 3,054.32 and 1,879.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.58 : 3,054.32 = 1,879.40 : x
2. Step 2: Convert to fraction form
   2,031.58/3,054.32 = 1,879.40/x
3. Step 3: Cross multiply
   2,031.58x = 3,054.32 × 1,879.40
4. Step 4: Simplify right side
   2,031.58x = 5,740,289.01
5. Step 5: Solve for x
   x = 5,740,289.01/2,031.58
6. Step 6: Final answer
   x = 2,825.53