Finding the Fourth Proportional to 2,040.80, 2,830.82 and 1,894.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.80 : 2,830.82 = 1,894.88 : x
2. Step 2: Convert to fraction form
   2,040.80/2,830.82 = 1,894.88/x
3. Step 3: Cross multiply
   2,040.80x = 2,830.82 × 1,894.88
4. Step 4: Simplify right side
   2,040.80x = 5,364,064.20
5. Step 5: Solve for x
   x = 5,364,064.20/2,040.80
6. Step 6: Final answer
   x = 2,628.41