Finding the Fourth Proportional to 1,894.12, 2,843.82 and 970.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,894.12 : 2,843.82 = 970.31 : x
2. Step 2: Convert to fraction form
   1,894.12/2,843.82 = 970.31/x
3. Step 3: Cross multiply
   1,894.12x = 2,843.82 × 970.31
4. Step 4: Simplify right side
   1,894.12x = 2,759,386.98
5. Step 5: Solve for x
   x = 2,759,386.98/1,894.12
6. Step 6: Final answer
   x = 1,456.82