Finding the Fourth Proportional to 3,873.49, 5,807.77 and 1,790.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,873.49 : 5,807.77 = 1,790.71 : x
2. Step 2: Convert to fraction form
   3,873.49/5,807.77 = 1,790.71/x
3. Step 3: Cross multiply
   3,873.49x = 5,807.77 × 1,790.71
4. Step 4: Simplify right side
   3,873.49x = 10,400,012.82
5. Step 5: Solve for x
   x = 10,400,012.82/3,873.49
6. Step 6: Final answer
   x = 2,684.92