Finding the Fourth Proportional to 10,936.96, 16,404.48 and 5,671.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,936.96 : 16,404.48 = 5,671.72 : x
2. Step 2: Convert to fraction form
   10,936.96/16,404.48 = 5,671.72/x
3. Step 3: Cross multiply
   10,936.96x = 16,404.48 × 5,671.72
4. Step 4: Simplify right side
   10,936.96x = 93,041,617.31
5. Step 5: Solve for x
   x = 93,041,617.31/10,936.96
6. Step 6: Final answer
   x = 8,507.08