Finding the Fourth Proportional to 1,931.16, 2,663.82 and 1,144.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.16 : 2,663.82 = 1,144.44 : x
2. Step 2: Convert to fraction form
   1,931.16/2,663.82 = 1,144.44/x
3. Step 3: Cross multiply
   1,931.16x = 2,663.82 × 1,144.44
4. Step 4: Simplify right side
   1,931.16x = 3,048,582.16
5. Step 5: Solve for x
   x = 3,048,582.16/1,931.16
6. Step 6: Final answer
   x = 1,578.63