Finding the Fourth Proportional to 5,926.56, 8,171.82 and 4,039.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,926.56 : 8,171.82 = 4,039.28 : x
2. Step 2: Convert to fraction form
   5,926.56/8,171.82 = 4,039.28/x
3. Step 3: Cross multiply
   5,926.56x = 8,171.82 × 4,039.28
4. Step 4: Simplify right side
   5,926.56x = 33,008,274.02
5. Step 5: Solve for x
   x = 33,008,274.02/5,926.56
6. Step 6: Final answer
   x = 5,569.55