Finding the Fourth Proportional to 10,391.75, 14,340.55 and 5,676.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,391.75 : 14,340.55 = 5,676.03 : x
2. Step 2: Convert to fraction form
   10,391.75/14,340.55 = 5,676.03/x
3. Step 3: Cross multiply
   10,391.75x = 14,340.55 × 5,676.03
4. Step 4: Simplify right side
   10,391.75x = 81,397,392.02
5. Step 5: Solve for x
   x = 81,397,392.02/10,391.75
6. Step 6: Final answer
   x = 7,832.89