Finding the Fourth Proportional to 17,020.84, 25,416.52 and 13,906.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,020.84 : 25,416.52 = 13,906.96 : x
2. Step 2: Convert to fraction form
   17,020.84/25,416.52 = 13,906.96/x
3. Step 3: Cross multiply
   17,020.84x = 25,416.52 × 13,906.96
4. Step 4: Simplify right side
   17,020.84x = 353,466,526.98
5. Step 5: Solve for x
   x = 353,466,526.98/17,020.84
6. Step 6: Final answer
   x = 20,766.69