Finding the Fourth Proportional to 2,090.73, 2,885.32 and 1,146.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.73 : 2,885.32 = 1,146.57 : x
2. Step 2: Convert to fraction form
   2,090.73/2,885.32 = 1,146.57/x
3. Step 3: Cross multiply
   2,090.73x = 2,885.32 × 1,146.57
4. Step 4: Simplify right side
   2,090.73x = 3,308,211.97
5. Step 5: Solve for x
   x = 3,308,211.97/2,090.73
6. Step 6: Final answer
   x = 1,582.32