Finding the Fourth Proportional to 10,107.16, 13,947.78 and 5,915.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,107.16 : 13,947.78 = 5,915.44 : x
2. Step 2: Convert to fraction form
   10,107.16/13,947.78 = 5,915.44/x
3. Step 3: Cross multiply
   10,107.16x = 13,947.78 × 5,915.44
4. Step 4: Simplify right side
   10,107.16x = 82,507,255.72
5. Step 5: Solve for x
   x = 82,507,255.72/10,107.16
6. Step 6: Final answer
   x = 8,163.25