Finding the Fourth Proportional to 10,427.54, 14,389.86 and 5,711.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427.54 : 14,389.86 = 5,711.82 : x
2. Step 2: Convert to fraction form
   10,427.54/14,389.86 = 5,711.82/x
3. Step 3: Cross multiply
   10,427.54x = 14,389.86 × 5,711.82
4. Step 4: Simplify right side
   10,427.54x = 82,192,290.15
5. Step 5: Solve for x
   x = 82,192,290.15/10,427.54
6. Step 6: Final answer
   x = 7,882.24