Finding the Fourth Proportional to 3,982.60, 6,003.72 and 3,715

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.60 : 6,003.72 = 3,715 : x
2. Step 2: Convert to fraction form
   3,982.60/6,003.72 = 3,715/x
3. Step 3: Cross multiply
   3,982.60x = 6,003.72 × 3,715
4. Step 4: Simplify right side
   3,982.60x = 22,303,819.80
5. Step 5: Solve for x
   x = 22,303,819.80/3,982.60
6. Step 6: Final answer
   x = 5,600.32