Finding the Fourth Proportional to 10,391.50, 14,340.35 and 5,676.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,391.50 : 14,340.35 = 5,676.09 : x
2. Step 2: Convert to fraction form
   10,391.50/14,340.35 = 5,676.09/x
3. Step 3: Cross multiply
   10,391.50x = 14,340.35 × 5,676.09
4. Step 4: Simplify right side
   10,391.50x = 81,397,117.23
5. Step 5: Solve for x
   x = 81,397,117.23/10,391.50
6. Step 6: Final answer
   x = 7,833.05