Finding the Fourth Proportional to 16,947.88, 25,417 and 10,698.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,947.88 : 25,417 = 10,698.54 : x
2. Step 2: Convert to fraction form
   16,947.88/25,417 = 10,698.54/x
3. Step 3: Cross multiply
   16,947.88x = 25,417 × 10,698.54
4. Step 4: Simplify right side
   16,947.88x = 271,924,791.18
5. Step 5: Solve for x
   x = 271,924,791.18/16,947.88
6. Step 6: Final answer
   x = 16,044.77