Finding the Fourth Proportional to 2,513.78, 3,468.12 and 1,518.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.78 : 3,468.12 = 1,518.69 : x
2. Step 2: Convert to fraction form
   2,513.78/3,468.12 = 1,518.69/x
3. Step 3: Cross multiply
   2,513.78x = 3,468.12 × 1,518.69
4. Step 4: Simplify right side
   2,513.78x = 5,267,006.47
5. Step 5: Solve for x
   x = 5,267,006.47/2,513.78
6. Step 6: Final answer
   x = 2,095.25