Finding the Fourth Proportional to 10,978.80, 16,466.40 and 3,582.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.80 : 16,466.40 = 3,582.52 : x
2. Step 2: Convert to fraction form
   10,978.80/16,466.40 = 3,582.52/x
3. Step 3: Cross multiply
   10,978.80x = 16,466.40 × 3,582.52
4. Step 4: Simplify right side
   10,978.80x = 58,991,207.33
5. Step 5: Solve for x
   x = 58,991,207.33/10,978.80
6. Step 6: Final answer
   x = 5,373.19