Finding the Fourth Proportional to 19,469.35, 26,851.15 and 16,459.15

Step by Step Solution

1. Step 1: Write the proportion equation
   19,469.35 : 26,851.15 = 16,459.15 : x
2. Step 2: Convert to fraction form
   19,469.35/26,851.15 = 16,459.15/x
3. Step 3: Cross multiply
   19,469.35x = 26,851.15 × 16,459.15
4. Step 4: Simplify right side
   19,469.35x = 441,947,105.52
5. Step 5: Solve for x
   x = 441,947,105.52/19,469.35
6. Step 6: Final answer
   x = 22,699.63