Finding the Fourth Proportional to 2,103.84, 2,902.41 and 1,264.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.84 : 2,902.41 = 1,264.56 : x
2. Step 2: Convert to fraction form
   2,103.84/2,902.41 = 1,264.56/x
3. Step 3: Cross multiply
   2,103.84x = 2,902.41 × 1,264.56
4. Step 4: Simplify right side
   2,103.84x = 3,670,271.59
5. Step 5: Solve for x
   x = 3,670,271.59/2,103.84
6. Step 6: Final answer
   x = 1,744.56