Finding the Fourth Proportional to 10,812.37, 16,219.32 and 3,791.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,812.37 : 16,219.32 = 3,791.56 : x
2. Step 2: Convert to fraction form
   10,812.37/16,219.32 = 3,791.56/x
3. Step 3: Cross multiply
   10,812.37x = 16,219.32 × 3,791.56
4. Step 4: Simplify right side
   10,812.37x = 61,496,524.94
5. Step 5: Solve for x
   x = 61,496,524.94/10,812.37
6. Step 6: Final answer
   x = 5,687.61