Finding the Fourth Proportional to 3,889.62, 5,837.16 and 3,517.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,889.62 : 5,837.16 = 3,517.83 : x
2. Step 2: Convert to fraction form
   3,889.62/5,837.16 = 3,517.83/x
3. Step 3: Cross multiply
   3,889.62x = 5,837.16 × 3,517.83
4. Step 4: Simplify right side
   3,889.62x = 20,534,136.56
5. Step 5: Solve for x
   x = 20,534,136.56/3,889.62
6. Step 6: Final answer
   x = 5,279.21