Finding the Fourth Proportional to 5,384.71, 8,072.17 and 3,996.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,384.71 : 8,072.17 = 3,996.37 : x
2. Step 2: Convert to fraction form
   5,384.71/8,072.17 = 3,996.37/x
3. Step 3: Cross multiply
   5,384.71x = 8,072.17 × 3,996.37
4. Step 4: Simplify right side
   5,384.71x = 32,259,378.02
5. Step 5: Solve for x
   x = 32,259,378.02/5,384.71
6. Step 6: Final answer
   x = 5,990.92