Finding the Fourth Proportional to 3,547.72, 5,321.46 and 1,082.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547.72 : 5,321.46 = 1,082.44 : x
2. Step 2: Convert to fraction form
   3,547.72/5,321.46 = 1,082.44/x
3. Step 3: Cross multiply
   3,547.72x = 5,321.46 × 1,082.44
4. Step 4: Simplify right side
   3,547.72x = 5,760,147.86
5. Step 5: Solve for x
   x = 5,760,147.86/3,547.72
6. Step 6: Final answer
   x = 1,623.62