Finding the Fourth Proportional to 7,162.64, 9,884.52 and 3,976

Step by Step Solution

1. Step 1: Write the proportion equation
   7,162.64 : 9,884.52 = 3,976 : x
2. Step 2: Convert to fraction form
   7,162.64/9,884.52 = 3,976/x
3. Step 3: Cross multiply
   7,162.64x = 9,884.52 × 3,976
4. Step 4: Simplify right side
   7,162.64x = 39,300,851.52
5. Step 5: Solve for x
   x = 39,300,851.52/7,162.64
6. Step 6: Final answer
   x = 5,486.92