Finding the Fourth Proportional to 2,048.17, 3,072.71 and 749.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.17 : 3,072.71 = 749.60 : x
2. Step 2: Convert to fraction form
   2,048.17/3,072.71 = 749.60/x
3. Step 3: Cross multiply
   2,048.17x = 3,072.71 × 749.60
4. Step 4: Simplify right side
   2,048.17x = 2,303,303.42
5. Step 5: Solve for x
   x = 2,303,303.42/2,048.17
6. Step 6: Final answer
   x = 1,124.57