Finding the Fourth Proportional to 3,958.56, 5,932.80 and 3,526.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.56 : 5,932.80 = 3,526.56 : x
2. Step 2: Convert to fraction form
   3,958.56/5,932.80 = 3,526.56/x
3. Step 3: Cross multiply
   3,958.56x = 5,932.80 × 3,526.56
4. Step 4: Simplify right side
   3,958.56x = 20,922,375.17
5. Step 5: Solve for x
   x = 20,922,375.17/3,958.56
6. Step 6: Final answer
   x = 5,285.35