Finding the Fourth Proportional to 2,630.54, 3,629.72 and 1,511.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.54 : 3,629.72 = 1,511.31 : x
2. Step 2: Convert to fraction form
   2,630.54/3,629.72 = 1,511.31/x
3. Step 3: Cross multiply
   2,630.54x = 3,629.72 × 1,511.31
4. Step 4: Simplify right side
   2,630.54x = 5,485,624.58
5. Step 5: Solve for x
   x = 5,485,624.58/2,630.54
6. Step 6: Final answer
   x = 2,085.36