Finding the Fourth Proportional to 2,015.96, 3,021.12 and 1,092.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.96 : 3,021.12 = 1,092.02 : x
2. Step 2: Convert to fraction form
   2,015.96/3,021.12 = 1,092.02/x
3. Step 3: Cross multiply
   2,015.96x = 3,021.12 × 1,092.02
4. Step 4: Simplify right side
   2,015.96x = 3,299,123.46
5. Step 5: Solve for x
   x = 3,299,123.46/2,015.96
6. Step 6: Final answer
   x = 1,636.50