Finding the Fourth Proportional to 24,978.46, 34,469.25 and 13,648.34

Step by Step Solution

1. Step 1: Write the proportion equation
   24,978.46 : 34,469.25 = 13,648.34 : x
2. Step 2: Convert to fraction form
   24,978.46/34,469.25 = 13,648.34/x
3. Step 3: Cross multiply
   24,978.46x = 34,469.25 × 13,648.34
4. Step 4: Simplify right side
   24,978.46x = 470,448,054.30
5. Step 5: Solve for x
   x = 470,448,054.30/24,978.46
6. Step 6: Final answer
   x = 18,834.15