Finding the Fourth Proportional to 3,164.42, 4,746.69 and 1,086.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,164.42 : 4,746.69 = 1,086.81 : x
2. Step 2: Convert to fraction form
   3,164.42/4,746.69 = 1,086.81/x
3. Step 3: Cross multiply
   3,164.42x = 4,746.69 × 1,086.81
4. Step 4: Simplify right side
   3,164.42x = 5,158,750.16
5. Step 5: Solve for x
   x = 5,158,750.16/3,164.42
6. Step 6: Final answer
   x = 1,630.24