Finding the Fourth Proportional to 3,166.02, 4,749.57 and 1,085.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,166.02 : 4,749.57 = 1,085.53 : x
2. Step 2: Convert to fraction form
   3,166.02/4,749.57 = 1,085.53/x
3. Step 3: Cross multiply
   3,166.02x = 4,749.57 × 1,085.53
4. Step 4: Simplify right side
   3,166.02x = 5,155,800.72
5. Step 5: Solve for x
   x = 5,155,800.72/3,166.02
6. Step 6: Final answer
   x = 1,628.48