Finding the Fourth Proportional to 10,747.68, 16,124.64 and 3,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,747.68 : 16,124.64 = 3,822.72 : x
2. Step 2: Convert to fraction form
   10,747.68/16,124.64 = 3,822.72/x
3. Step 3: Cross multiply
   10,747.68x = 16,124.64 × 3,822.72
4. Step 4: Simplify right side
   10,747.68x = 61,639,983.82
5. Step 5: Solve for x
   x = 61,639,983.82/10,747.68
6. Step 6: Final answer
   x = 5,735.19