Finding the Fourth Proportional to 2,036.54, 3,055.34 and 866.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.54 : 3,055.34 = 866.58 : x
2. Step 2: Convert to fraction form
   2,036.54/3,055.34 = 866.58/x
3. Step 3: Cross multiply
   2,036.54x = 3,055.34 × 866.58
4. Step 4: Simplify right side
   2,036.54x = 2,647,692.20
5. Step 5: Solve for x
   x = 2,647,692.20/2,036.54
6. Step 6: Final answer
   x = 1,300.10