Finding the Fourth Proportional to 2,809.69, 3,877.37 and 1,630.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809.69 : 3,877.37 = 1,630.83 : x
2. Step 2: Convert to fraction form
   2,809.69/3,877.37 = 1,630.83/x
3. Step 3: Cross multiply
   2,809.69x = 3,877.37 × 1,630.83
4. Step 4: Simplify right side
   2,809.69x = 6,323,343.82
5. Step 5: Solve for x
   x = 6,323,343.82/2,809.69
6. Step 6: Final answer
   x = 2,250.55