Finding the Fourth Proportional to 2,809.89, 3,876.93 and 1,630.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809.89 : 3,876.93 = 1,630.71 : x
2. Step 2: Convert to fraction form
   2,809.89/3,876.93 = 1,630.71/x
3. Step 3: Cross multiply
   2,809.89x = 3,876.93 × 1,630.71
4. Step 4: Simplify right side
   2,809.89x = 6,322,148.52
5. Step 5: Solve for x
   x = 6,322,148.52/2,809.89
6. Step 6: Final answer
   x = 2,249.96