Finding the Fourth Proportional to 2,090.75, 2,885.22 and 1,146.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.75 : 2,885.22 = 1,146.54 : x
2. Step 2: Convert to fraction form
   2,090.75/2,885.22 = 1,146.54/x
3. Step 3: Cross multiply
   2,090.75x = 2,885.22 × 1,146.54
4. Step 4: Simplify right side
   2,090.75x = 3,308,020.14
5. Step 5: Solve for x
   x = 3,308,020.14/2,090.75
6. Step 6: Final answer
   x = 1,582.22