Finding the Fourth Proportional to 1,459.82, 2,003.84 and 1,290.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,459.82 : 2,003.84 = 1,290.33 : x
2. Step 2: Convert to fraction form
   1,459.82/2,003.84 = 1,290.33/x
3. Step 3: Cross multiply
   1,459.82x = 2,003.84 × 1,290.33
4. Step 4: Simplify right side
   1,459.82x = 2,585,613.25
5. Step 5: Solve for x
   x = 2,585,613.25/1,459.82
6. Step 6: Final answer
   x = 1,771.18