Finding the Fourth Proportional to 3,806.04, 5,709.82 and 1,858.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806.04 : 5,709.82 = 1,858.28 : x
2. Step 2: Convert to fraction form
   3,806.04/5,709.82 = 1,858.28/x
3. Step 3: Cross multiply
   3,806.04x = 5,709.82 × 1,858.28
4. Step 4: Simplify right side
   3,806.04x = 10,610,444.31
5. Step 5: Solve for x
   x = 10,610,444.31/3,806.04
6. Step 6: Final answer
   x = 2,787.79