Finding the Fourth Proportional to 5,882.45, 8,124.37 and 3,990.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,882.45 : 8,124.37 = 3,990.76 : x
2. Step 2: Convert to fraction form
   5,882.45/8,124.37 = 3,990.76/x
3. Step 3: Cross multiply
   5,882.45x = 8,124.37 × 3,990.76
4. Step 4: Simplify right side
   5,882.45x = 32,422,380.53
5. Step 5: Solve for x
   x = 32,422,380.53/5,882.45
6. Step 6: Final answer
   x = 5,511.72