Finding the Fourth Proportional to 7,327.53, 10,112.00 and 3,970.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,327.53 : 10,112.00 = 3,970.31 : x
2. Step 2: Convert to fraction form
   7,327.53/10,112.00 = 3,970.31/x
3. Step 3: Cross multiply
   7,327.53x = 10,112.00 × 3,970.31
4. Step 4: Simplify right side
   7,327.53x = 40,147,704.31
5. Step 5: Solve for x
   x = 40,147,704.31/7,327.53
6. Step 6: Final answer
   x = 5,479.02