Finding the Fourth Proportional to 7,339.50, 10,128.42 and 3,982.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,339.50 : 10,128.42 = 3,982.32 : x
2. Step 2: Convert to fraction form
   7,339.50/10,128.42 = 3,982.32/x
3. Step 3: Cross multiply
   7,339.50x = 10,128.42 × 3,982.32
4. Step 4: Simplify right side
   7,339.50x = 40,334,609.53
5. Step 5: Solve for x
   x = 40,334,609.53/7,339.50
6. Step 6: Final answer
   x = 5,495.55