Finding the Fourth Proportional to 2,081.56, 3,100.25 and 2,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.56 : 3,100.25 = 2,071.50 : x
2. Step 2: Convert to fraction form
   2,081.56/3,100.25 = 2,071.50/x
3. Step 3: Cross multiply
   2,081.56x = 3,100.25 × 2,071.50
4. Step 4: Simplify right side
   2,081.56x = 6,422,157.52
5. Step 5: Solve for x
   x = 6,422,157.52/2,081.56
6. Step 6: Final answer
   x = 3,085.27