Finding the Fourth Proportional to 17,282.88, 25,885.42 and 12,111.84

Step by Step Solution

1. Step 1: Write the proportion equation
   17,282.88 : 25,885.42 = 12,111.84 : x
2. Step 2: Convert to fraction form
   17,282.88/25,885.42 = 12,111.84/x
3. Step 3: Cross multiply
   17,282.88x = 25,885.42 × 12,111.84
4. Step 4: Simplify right side
   17,282.88x = 313,520,065.37
5. Step 5: Solve for x
   x = 313,520,065.37/17,282.88
6. Step 6: Final answer
   x = 18,140.50