Finding the Fourth Proportional to 2,609.48, 3,908.73 and 1,876.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.48 : 3,908.73 = 1,876.83 : x
2. Step 2: Convert to fraction form
   2,609.48/3,908.73 = 1,876.83/x
3. Step 3: Cross multiply
   2,609.48x = 3,908.73 × 1,876.83
4. Step 4: Simplify right side
   2,609.48x = 7,336,021.73
5. Step 5: Solve for x
   x = 7,336,021.73/2,609.48
6. Step 6: Final answer
   x = 2,811.30