Finding the Fourth Proportional to 2,349.82, 3,506.60 and 2,103.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,349.82 : 3,506.60 = 2,103.78 : x
2. Step 2: Convert to fraction form
   2,349.82/3,506.60 = 2,103.78/x
3. Step 3: Cross multiply
   2,349.82x = 3,506.60 × 2,103.78
4. Step 4: Simplify right side
   2,349.82x = 7,377,133.36
5. Step 5: Solve for x
   x = 7,377,133.36/2,349.82
6. Step 6: Final answer
   x = 3,139.44