Finding the Fourth Proportional to 24,978.45, 34,470.33 and 13,648.05

Step by Step Solution

1. Step 1: Write the proportion equation
   24,978.45 : 34,470.33 = 13,648.05 : x
2. Step 2: Convert to fraction form
   24,978.45/34,470.33 = 13,648.05/x
3. Step 3: Cross multiply
   24,978.45x = 34,470.33 × 13,648.05
4. Step 4: Simplify right side
   24,978.45x = 470,452,787.36
5. Step 5: Solve for x
   x = 470,452,787.36/24,978.45
6. Step 6: Final answer
   x = 18,834.35