Finding the Fourth Proportional to 10,978.49, 16,468.50 and 4,404.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.49 : 16,468.50 = 4,404.68 : x
2. Step 2: Convert to fraction form
   10,978.49/16,468.50 = 4,404.68/x
3. Step 3: Cross multiply
   10,978.49x = 16,468.50 × 4,404.68
4. Step 4: Simplify right side
   10,978.49x = 72,538,390.24
5. Step 5: Solve for x
   x = 72,538,390.24/10,978.49
6. Step 6: Final answer
   x = 6,607.32