Finding the Fourth Proportional to 2,103.17, 2,902.14 and 1,263.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.17 : 2,902.14 = 1,263.71 : x
2. Step 2: Convert to fraction form
   2,103.17/2,902.14 = 1,263.71/x
3. Step 3: Cross multiply
   2,103.17x = 2,902.14 × 1,263.71
4. Step 4: Simplify right side
   2,103.17x = 3,667,463.34
5. Step 5: Solve for x
   x = 3,667,463.34/2,103.17
6. Step 6: Final answer
   x = 1,743.78