Finding the Fourth Proportional to 7,182.95, 9,912.59 and 3,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,182.95 : 9,912.59 = 3,996.50 : x
2. Step 2: Convert to fraction form
   7,182.95/9,912.59 = 3,996.50/x
3. Step 3: Cross multiply
   7,182.95x = 9,912.59 × 3,996.50
4. Step 4: Simplify right side
   7,182.95x = 39,615,596.39
5. Step 5: Solve for x
   x = 39,615,596.39/7,182.95
6. Step 6: Final answer
   x = 5,515.23