Finding the Fourth Proportional to 8,978.13, 13,467.38 and 2,404.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978.13 : 13,467.38 = 2,404.31 : x
2. Step 2: Convert to fraction form
   8,978.13/13,467.38 = 2,404.31/x
3. Step 3: Cross multiply
   8,978.13x = 13,467.38 × 2,404.31
4. Step 4: Simplify right side
   8,978.13x = 32,379,677.05
5. Step 5: Solve for x
   x = 32,379,677.05/8,978.13
6. Step 6: Final answer
   x = 3,606.51