Finding the Fourth Proportional to 2,162.10, 3,243.46 and 1,066.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.10 : 3,243.46 = 1,066.53 : x
2. Step 2: Convert to fraction form
   2,162.10/3,243.46 = 1,066.53/x
3. Step 3: Cross multiply
   2,162.10x = 3,243.46 × 1,066.53
4. Step 4: Simplify right side
   2,162.10x = 3,459,247.39
5. Step 5: Solve for x
   x = 3,459,247.39/2,162.10
6. Step 6: Final answer
   x = 1,599.95