Finding the Fourth Proportional to 11,982.34, 17,966.78 and 8,238.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,982.34 : 17,966.78 = 8,238.52 : x
2. Step 2: Convert to fraction form
   11,982.34/17,966.78 = 8,238.52/x
3. Step 3: Cross multiply
   11,982.34x = 17,966.78 × 8,238.52
4. Step 4: Simplify right side
   11,982.34x = 148,019,688.53
5. Step 5: Solve for x
   x = 148,019,688.53/11,982.34
6. Step 6: Final answer
   x = 12,353.15