Finding the Fourth Proportional to 2,073.90, 2,860.72 and 1,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.90 : 2,860.72 = 1,513.69 : x
2. Step 2: Convert to fraction form
   2,073.90/2,860.72 = 1,513.69/x
3. Step 3: Cross multiply
   2,073.90x = 2,860.72 × 1,513.69
4. Step 4: Simplify right side
   2,073.90x = 4,330,232.32
5. Step 5: Solve for x
   x = 4,330,232.32/2,073.90
6. Step 6: Final answer
   x = 2,087.96