Finding the Fourth Proportional to 17,018.76, 25,532.82 and 12,119.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,018.76 : 25,532.82 = 12,119.61 : x
2. Step 2: Convert to fraction form
   17,018.76/25,532.82 = 12,119.61/x
3. Step 3: Cross multiply
   17,018.76x = 25,532.82 × 12,119.61
4. Step 4: Simplify right side
   17,018.76x = 309,447,820.60
5. Step 5: Solve for x
   x = 309,447,820.60/17,018.76
6. Step 6: Final answer
   x = 18,182.75