Finding the Fourth Proportional to 2,103.66, 2,902.82 and 1,264.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.66 : 2,902.82 = 1,264.37 : x
2. Step 2: Convert to fraction form
   2,103.66/2,902.82 = 1,264.37/x
3. Step 3: Cross multiply
   2,103.66x = 2,902.82 × 1,264.37
4. Step 4: Simplify right side
   2,103.66x = 3,670,217.69
5. Step 5: Solve for x
   x = 3,670,217.69/2,103.66
6. Step 6: Final answer
   x = 1,744.68