Finding the Fourth Proportional to 7,162.31, 9,883.83 and 3,975.41

Step by Step Solution

1. Step 1: Write the proportion equation
   7,162.31 : 9,883.83 = 3,975.41 : x
2. Step 2: Convert to fraction form
   7,162.31/9,883.83 = 3,975.41/x
3. Step 3: Cross multiply
   7,162.31x = 9,883.83 × 3,975.41
4. Step 4: Simplify right side
   7,162.31x = 39,292,298.78
5. Step 5: Solve for x
   x = 39,292,298.78/7,162.31
6. Step 6: Final answer
   x = 5,485.99