Finding the Fourth Proportional to 3,871.98, 5,809.59 and 1,682.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.98 : 5,809.59 = 1,682.55 : x
2. Step 2: Convert to fraction form
   3,871.98/5,809.59 = 1,682.55/x
3. Step 3: Cross multiply
   3,871.98x = 5,809.59 × 1,682.55
4. Step 4: Simplify right side
   3,871.98x = 9,774,925.65
5. Step 5: Solve for x
   x = 9,774,925.65/3,871.98
6. Step 6: Final answer
   x = 2,524.53