Finding the Fourth Proportional to 8,978.62, 13,467.73 and 2,404.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978.62 : 13,467.73 = 2,404.80 : x
2. Step 2: Convert to fraction form
   8,978.62/13,467.73 = 2,404.80/x
3. Step 3: Cross multiply
   8,978.62x = 13,467.73 × 2,404.80
4. Step 4: Simplify right side
   8,978.62x = 32,387,197.10
5. Step 5: Solve for x
   x = 32,387,197.10/8,978.62
6. Step 6: Final answer
   x = 3,607.15