Finding the Fourth Proportional to 18,086.86, 24,943.20 and 12,411.58

Step by Step Solution

1. Step 1: Write the proportion equation
   18,086.86 : 24,943.20 = 12,411.58 : x
2. Step 2: Convert to fraction form
   18,086.86/24,943.20 = 12,411.58/x
3. Step 3: Cross multiply
   18,086.86x = 24,943.20 × 12,411.58
4. Step 4: Simplify right side
   18,086.86x = 309,584,522.26
5. Step 5: Solve for x
   x = 309,584,522.26/18,086.86
6. Step 6: Final answer
   x = 17,116.54