Finding the Fourth Proportional to 2,071.20, 3,101.94 and 1,605.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.20 : 3,101.94 = 1,605.27 : x
2. Step 2: Convert to fraction form
   2,071.20/3,101.94 = 1,605.27/x
3. Step 3: Cross multiply
   2,071.20x = 3,101.94 × 1,605.27
4. Step 4: Simplify right side
   2,071.20x = 4,979,451.22
5. Step 5: Solve for x
   x = 4,979,451.22/2,071.20
6. Step 6: Final answer
   x = 2,404.14