Finding the Fourth Proportional to 16,945.98, 25,417.35 and 10,368.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,945.98 : 25,417.35 = 10,368.78 : x
2. Step 2: Convert to fraction form
   16,945.98/25,417.35 = 10,368.78/x
3. Step 3: Cross multiply
   16,945.98x = 25,417.35 × 10,368.78
4. Step 4: Simplify right side
   16,945.98x = 263,546,910.33
5. Step 5: Solve for x
   x = 263,546,910.33/16,945.98
6. Step 6: Final answer
   x = 15,552.18