Finding the Fourth Proportional to 5,144.70, 7,717.59 and 1,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.70 : 7,717.59 = 1,681.50 : x
2. Step 2: Convert to fraction form
   5,144.70/7,717.59 = 1,681.50/x
3. Step 3: Cross multiply
   5,144.70x = 7,717.59 × 1,681.50
4. Step 4: Simplify right side
   5,144.70x = 12,977,127.59
5. Step 5: Solve for x
   x = 12,977,127.59/5,144.70
6. Step 6: Final answer
   x = 2,522.43