Finding the Fourth Proportional to 7,118.82, 9,823.82 and 3,975.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,118.82 : 9,823.82 = 3,975.08 : x
2. Step 2: Convert to fraction form
   7,118.82/9,823.82 = 3,975.08/x
3. Step 3: Cross multiply
   7,118.82x = 9,823.82 × 3,975.08
4. Step 4: Simplify right side
   7,118.82x = 39,050,401.41
5. Step 5: Solve for x
   x = 39,050,401.41/7,118.82
6. Step 6: Final answer
   x = 5,485.52