Finding the Fourth Proportional to 2,036.82, 3,054.59 and 668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.82 : 3,054.59 = 668.50 : x
2. Step 2: Convert to fraction form
   2,036.82/3,054.59 = 668.50/x
3. Step 3: Cross multiply
   2,036.82x = 3,054.59 × 668.50
4. Step 4: Simplify right side
   2,036.82x = 2,041,993.42
5. Step 5: Solve for x
   x = 2,041,993.42/2,036.82
6. Step 6: Final answer
   x = 1,002.54