Finding the Fourth Proportional to 2,103.67, 2,902.93 and 1,263.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.67 : 2,902.93 = 1,263.88 : x
2. Step 2: Convert to fraction form
   2,103.67/2,902.93 = 1,263.88/x
3. Step 3: Cross multiply
   2,103.67x = 2,902.93 × 1,263.88
4. Step 4: Simplify right side
   2,103.67x = 3,668,934.33
5. Step 5: Solve for x
   x = 3,668,934.33/2,103.67
6. Step 6: Final answer
   x = 1,744.06