Finding the Fourth Proportional to 7,339.82, 10,128.98 and 3,982.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,339.82 : 10,128.98 = 3,982.77 : x
2. Step 2: Convert to fraction form
   7,339.82/10,128.98 = 3,982.77/x
3. Step 3: Cross multiply
   7,339.82x = 10,128.98 × 3,982.77
4. Step 4: Simplify right side
   7,339.82x = 40,341,407.63
5. Step 5: Solve for x
   x = 40,341,407.63/7,339.82
6. Step 6: Final answer
   x = 5,496.24