Finding the Fourth Proportional to 2,012.10, 3,017.71 and 971.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.10 : 3,017.71 = 971.47 : x
2. Step 2: Convert to fraction form
   2,012.10/3,017.71 = 971.47/x
3. Step 3: Cross multiply
   2,012.10x = 3,017.71 × 971.47
4. Step 4: Simplify right side
   2,012.10x = 2,931,614.73
5. Step 5: Solve for x
   x = 2,931,614.73/2,012.10
6. Step 6: Final answer
   x = 1,456.99