Finding the Fourth Proportional to 2,081.90, 3,126.45 and 2,017.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.90 : 3,126.45 = 2,017.10 : x
2. Step 2: Convert to fraction form
   2,081.90/3,126.45 = 2,017.10/x
3. Step 3: Cross multiply
   2,081.90x = 3,126.45 × 2,017.10
4. Step 4: Simplify right side
   2,081.90x = 6,306,362.30
5. Step 5: Solve for x
   x = 6,306,362.30/2,081.90
6. Step 6: Final answer
   x = 3,029.14