Finding the Fourth Proportional to 10,978.18, 16,469.02 and 3,582.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.18 : 16,469.02 = 3,582.06 : x
2. Step 2: Convert to fraction form
   10,978.18/16,469.02 = 3,582.06/x
3. Step 3: Cross multiply
   10,978.18x = 16,469.02 × 3,582.06
4. Step 4: Simplify right side
   10,978.18x = 58,993,017.78
5. Step 5: Solve for x
   x = 58,993,017.78/10,978.18
6. Step 6: Final answer
   x = 5,373.66