Finding the Fourth Proportional to 2,549.69, 3,518.58 and 1,488.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.69 : 3,518.58 = 1,488.18 : x
2. Step 2: Convert to fraction form
   2,549.69/3,518.58 = 1,488.18/x
3. Step 3: Cross multiply
   2,549.69x = 3,518.58 × 1,488.18
4. Step 4: Simplify right side
   2,549.69x = 5,236,280.38
5. Step 5: Solve for x
   x = 5,236,280.38/2,549.69
6. Step 6: Final answer
   x = 2,053.69