Finding the Fourth Proportional to 2,066.12, 3,099.46 and 1,092.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.12 : 3,099.46 = 1,092.30 : x
2. Step 2: Convert to fraction form
   2,066.12/3,099.46 = 1,092.30/x
3. Step 3: Cross multiply
   2,066.12x = 3,099.46 × 1,092.30
4. Step 4: Simplify right side
   2,066.12x = 3,385,540.16
5. Step 5: Solve for x
   x = 3,385,540.16/2,066.12
6. Step 6: Final answer
   x = 1,638.60