Finding the Fourth Proportional to 17,016.84, 25,410.56 and 13,902.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,016.84 : 25,410.56 = 13,902.98 : x
2. Step 2: Convert to fraction form
   17,016.84/25,410.56 = 13,902.98/x
3. Step 3: Cross multiply
   17,016.84x = 25,410.56 × 13,902.98
4. Step 4: Simplify right side
   17,016.84x = 353,282,310.90
5. Step 5: Solve for x
   x = 353,282,310.90/17,016.84
6. Step 6: Final answer
   x = 20,760.75