Finding the Fourth Proportional to 1,515.36, 2,086.92 and 1,510.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515.36 : 2,086.92 = 1,510.56 : x
2. Step 2: Convert to fraction form
   1,515.36/2,086.92 = 1,510.56/x
3. Step 3: Cross multiply
   1,515.36x = 2,086.92 × 1,510.56
4. Step 4: Simplify right side
   1,515.36x = 3,152,417.88
5. Step 5: Solve for x
   x = 3,152,417.88/1,515.36
6. Step 6: Final answer
   x = 2,080.31