Finding the Fourth Proportional to 12,282.84, 18,414.61 and 5,708.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,282.84 : 18,414.61 = 5,708.14 : x
2. Step 2: Convert to fraction form
   12,282.84/18,414.61 = 5,708.14/x
3. Step 3: Cross multiply
   12,282.84x = 18,414.61 × 5,708.14
4. Step 4: Simplify right side
   12,282.84x = 105,113,111.62
5. Step 5: Solve for x
   x = 105,113,111.62/12,282.84
6. Step 6: Final answer
   x = 8,557.72