Finding the Fourth Proportional to 2,216.45, 3,059.43 and 1,511.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.45 : 3,059.43 = 1,511.75 : x
2. Step 2: Convert to fraction form
   2,216.45/3,059.43 = 1,511.75/x
3. Step 3: Cross multiply
   2,216.45x = 3,059.43 × 1,511.75
4. Step 4: Simplify right side
   2,216.45x = 4,625,093.30
5. Step 5: Solve for x
   x = 4,625,093.30/2,216.45
6. Step 6: Final answer
   x = 2,086.71