Finding the Fourth Proportional to 10,978.08, 16,452.74 and 4,408.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.08 : 16,452.74 = 4,408.88 : x
2. Step 2: Convert to fraction form
   10,978.08/16,452.74 = 4,408.88/x
3. Step 3: Cross multiply
   10,978.08x = 16,452.74 × 4,408.88
4. Step 4: Simplify right side
   10,978.08x = 72,538,085.09
5. Step 5: Solve for x
   x = 72,538,085.09/10,978.08
6. Step 6: Final answer
   x = 6,607.54