Finding the Fourth Proportional to 3,716.69, 5,127.10 and 2,521.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,716.69 : 5,127.10 = 2,521.73 : x
2. Step 2: Convert to fraction form
   3,716.69/5,127.10 = 2,521.73/x
3. Step 3: Cross multiply
   3,716.69x = 5,127.10 × 2,521.73
4. Step 4: Simplify right side
   3,716.69x = 12,929,168.40
5. Step 5: Solve for x
   x = 12,929,168.40/3,716.69
6. Step 6: Final answer
   x = 3,478.68