Finding the Fourth Proportional to 9,915.79, 13,682.82 and 5,936.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,915.79 : 13,682.82 = 5,936.82 : x
2. Step 2: Convert to fraction form
   9,915.79/13,682.82 = 5,936.82/x
3. Step 3: Cross multiply
   9,915.79x = 13,682.82 × 5,936.82
4. Step 4: Simplify right side
   9,915.79x = 81,232,439.43
5. Step 5: Solve for x
   x = 81,232,439.43/9,915.79
6. Step 6: Final answer
   x = 8,192.23