Finding the Fourth Proportional to 24,478.69, 33,780.79 and 13,300.69

Step by Step Solution

1. Step 1: Write the proportion equation
   24,478.69 : 33,780.79 = 13,300.69 : x
2. Step 2: Convert to fraction form
   24,478.69/33,780.79 = 13,300.69/x
3. Step 3: Cross multiply
   24,478.69x = 33,780.79 × 13,300.69
4. Step 4: Simplify right side
   24,478.69x = 449,307,815.75
5. Step 5: Solve for x
   x = 449,307,815.75/24,478.69
6. Step 6: Final answer
   x = 18,355.06