Finding the Fourth Proportional to 17,109.84, 25,629 and 13,759.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,109.84 : 25,629 = 13,759.98 : x
2. Step 2: Convert to fraction form
   17,109.84/25,629 = 13,759.98/x
3. Step 3: Cross multiply
   17,109.84x = 25,629 × 13,759.98
4. Step 4: Simplify right side
   17,109.84x = 352,654,527.42
5. Step 5: Solve for x
   x = 352,654,527.42/17,109.84
6. Step 6: Final answer
   x = 20,611.21