Finding the Fourth Proportional to 3,628.16, 5,441.34 and 1,031.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,628.16 : 5,441.34 = 1,031.12 : x
2. Step 2: Convert to fraction form
   3,628.16/5,441.34 = 1,031.12/x
3. Step 3: Cross multiply
   3,628.16x = 5,441.34 × 1,031.12
4. Step 4: Simplify right side
   3,628.16x = 5,610,674.50
5. Step 5: Solve for x
   x = 5,610,674.50/3,628.16
6. Step 6: Final answer
   x = 1,546.42