Finding the Fourth Proportional to 17,255.84, 25,859.15 and 13,729.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,255.84 : 25,859.15 = 13,729.98 : x
2. Step 2: Convert to fraction form
   17,255.84/25,859.15 = 13,729.98/x
3. Step 3: Cross multiply
   17,255.84x = 25,859.15 × 13,729.98
4. Step 4: Simplify right side
   17,255.84x = 355,045,612.32
5. Step 5: Solve for x
   x = 355,045,612.32/17,255.84
6. Step 6: Final answer
   x = 20,575.39