Finding the Fourth Proportional to 2,236.89, 3,353.25 and 1,066.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.89 : 3,353.25 = 1,066.31 : x
2. Step 2: Convert to fraction form
   2,236.89/3,353.25 = 1,066.31/x
3. Step 3: Cross multiply
   2,236.89x = 3,353.25 × 1,066.31
4. Step 4: Simplify right side
   2,236.89x = 3,575,616.68
5. Step 5: Solve for x
   x = 3,575,616.68/2,236.89
6. Step 6: Final answer
   x = 1,598.48