Finding the Fourth Proportional to 2,071.33, 2,857.37 and 1,573.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.33 : 2,857.37 = 1,573.10 : x
2. Step 2: Convert to fraction form
   2,071.33/2,857.37 = 1,573.10/x
3. Step 3: Cross multiply
   2,071.33x = 2,857.37 × 1,573.10
4. Step 4: Simplify right side
   2,071.33x = 4,494,930.12
5. Step 5: Solve for x
   x = 4,494,930.12/2,071.33
6. Step 6: Final answer
   x = 2,170.07