Finding the Fourth Proportional to 8,978.40, 13,468.28 and 2,404.44

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978.40 : 13,468.28 = 2,404.44 : x
2. Step 2: Convert to fraction form
   8,978.40/13,468.28 = 2,404.44/x
3. Step 3: Cross multiply
   8,978.40x = 13,468.28 × 2,404.44
4. Step 4: Simplify right side
   8,978.40x = 32,383,659.14
5. Step 5: Solve for x
   x = 32,383,659.14/8,978.40
6. Step 6: Final answer
   x = 3,606.84