Finding the Fourth Proportional to 3,806.31, 5,710.19 and 1,754.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806.31 : 5,710.19 = 1,754.31 : x
2. Step 2: Convert to fraction form
   3,806.31/5,710.19 = 1,754.31/x
3. Step 3: Cross multiply
   3,806.31x = 5,710.19 × 1,754.31
4. Step 4: Simplify right side
   3,806.31x = 10,017,443.42
5. Step 5: Solve for x
   x = 10,017,443.42/3,806.31
6. Step 6: Final answer
   x = 2,631.80