Finding the Fourth Proportional to 2,071.44, 2,857.50 and 1,510.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.44 : 2,857.50 = 1,510.20 : x
2. Step 2: Convert to fraction form
   2,071.44/2,857.50 = 1,510.20/x
3. Step 3: Cross multiply
   2,071.44x = 2,857.50 × 1,510.20
4. Step 4: Simplify right side
   2,071.44x = 4,315,396.50
5. Step 5: Solve for x
   x = 4,315,396.50/2,071.44
6. Step 6: Final answer
   x = 2,083.28