Finding the Fourth Proportional to 8,978.24, 13,467.94 and 2,738.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978.24 : 13,467.94 = 2,738.48 : x
2. Step 2: Convert to fraction form
   8,978.24/13,467.94 = 2,738.48/x
3. Step 3: Cross multiply
   8,978.24x = 13,467.94 × 2,738.48
4. Step 4: Simplify right side
   8,978.24x = 36,881,610.15
5. Step 5: Solve for x
   x = 36,881,610.15/8,978.24
6. Step 6: Final answer
   x = 4,107.89