Finding the Fourth Proportional to 2,505.97, 3,459.63 and 1,511.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.97 : 3,459.63 = 1,511.50 : x
2. Step 2: Convert to fraction form
   2,505.97/3,459.63 = 1,511.50/x
3. Step 3: Cross multiply
   2,505.97x = 3,459.63 × 1,511.50
4. Step 4: Simplify right side
   2,505.97x = 5,229,230.75
5. Step 5: Solve for x
   x = 5,229,230.75/2,505.97
6. Step 6: Final answer
   x = 2,086.71