Finding the Fourth Proportional to 2,048.58, 3,075.59 and 1,217.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.58 : 3,075.59 = 1,217.18 : x
2. Step 2: Convert to fraction form
   2,048.58/3,075.59 = 1,217.18/x
3. Step 3: Cross multiply
   2,048.58x = 3,075.59 × 1,217.18
4. Step 4: Simplify right side
   2,048.58x = 3,743,557.37
5. Step 5: Solve for x
   x = 3,743,557.37/2,048.58
6. Step 6: Final answer
   x = 1,827.39