Finding the Fourth Proportional to 2,012.10, 3,017.60 and 971.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.10 : 3,017.60 = 971.83 : x
2. Step 2: Convert to fraction form
   2,012.10/3,017.60 = 971.83/x
3. Step 3: Cross multiply
   2,012.10x = 3,017.60 × 971.83
4. Step 4: Simplify right side
   2,012.10x = 2,932,594.21
5. Step 5: Solve for x
   x = 2,932,594.21/2,012.10
6. Step 6: Final answer
   x = 1,457.48