Finding the Fourth Proportional to 3,411.75, 5,118.83 and 1,681.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.75 : 5,118.83 = 1,681.59 : x
2. Step 2: Convert to fraction form
   3,411.75/5,118.83 = 1,681.59/x
3. Step 3: Cross multiply
   3,411.75x = 5,118.83 × 1,681.59
4. Step 4: Simplify right side
   3,411.75x = 8,607,764.93
5. Step 5: Solve for x
   x = 8,607,764.93/3,411.75
6. Step 6: Final answer
   x = 2,522.98