Finding the Fourth Proportional to 69,410.34, 104,115.78 and 16,819.74

Step by Step Solution

1. Step 1: Write the proportion equation
   69,410.34 : 104,115.78 = 16,819.74 : x
2. Step 2: Convert to fraction form
   69,410.34/104,115.78 = 16,819.74/x
3. Step 3: Cross multiply
   69,410.34x = 104,115.78 × 16,819.74
4. Step 4: Simplify right side
   69,410.34x = 1,751,200,349.50
5. Step 5: Solve for x
   x = 1,751,200,349.50/69,410.34
6. Step 6: Final answer
   x = 25,229.68