Finding the Fourth Proportional to 11,760.84, 16,227.36 and 6,978.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,760.84 : 16,227.36 = 6,978.42 : x
2. Step 2: Convert to fraction form
   11,760.84/16,227.36 = 6,978.42/x
3. Step 3: Cross multiply
   11,760.84x = 16,227.36 × 6,978.42
4. Step 4: Simplify right side
   11,760.84x = 113,241,333.57
5. Step 5: Solve for x
   x = 113,241,333.57/11,760.84
6. Step 6: Final answer
   x = 9,628.68