Finding the Fourth Proportional to 5,298.32, 7,943.64 and 3,996.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.32 : 7,943.64 = 3,996.56 : x
2. Step 2: Convert to fraction form
   5,298.32/7,943.64 = 3,996.56/x
3. Step 3: Cross multiply
   5,298.32x = 7,943.64 × 3,996.56
4. Step 4: Simplify right side
   5,298.32x = 31,747,233.88
5. Step 5: Solve for x
   x = 31,747,233.88/5,298.32
6. Step 6: Final answer
   x = 5,991.94