Finding the Fourth Proportional to 2,630.48, 3,630.18 and 1,511.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.48 : 3,630.18 = 1,511.78 : x
2. Step 2: Convert to fraction form
   2,630.48/3,630.18 = 1,511.78/x
3. Step 3: Cross multiply
   2,630.48x = 3,630.18 × 1,511.78
4. Step 4: Simplify right side
   2,630.48x = 5,488,033.52
5. Step 5: Solve for x
   x = 5,488,033.52/2,630.48
6. Step 6: Final answer
   x = 2,086.32