Finding the Fourth Proportional to 24,978.59, 34,469.86 and 13,648.10

Step by Step Solution

1. Step 1: Write the proportion equation
   24,978.59 : 34,469.86 = 13,648.10 : x
2. Step 2: Convert to fraction form
   24,978.59/34,469.86 = 13,648.10/x
3. Step 3: Cross multiply
   24,978.59x = 34,469.86 × 13,648.10
4. Step 4: Simplify right side
   24,978.59x = 470,448,096.27
5. Step 5: Solve for x
   x = 470,448,096.27/24,978.59
6. Step 6: Final answer
   x = 18,834.06