Finding the Fourth Proportional to 2,049.60, 3,075.30 and 1,075.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.60 : 3,075.30 = 1,075.47 : x
2. Step 2: Convert to fraction form
   2,049.60/3,075.30 = 1,075.47/x
3. Step 3: Cross multiply
   2,049.60x = 3,075.30 × 1,075.47
4. Step 4: Simplify right side
   2,049.60x = 3,307,392.89
5. Step 5: Solve for x
   x = 3,307,392.89/2,049.60
6. Step 6: Final answer
   x = 1,613.68