Finding the Fourth Proportional to 10,758.82, 16,140.46 and 5,424.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,758.82 : 16,140.46 = 5,424.98 : x
2. Step 2: Convert to fraction form
   10,758.82/16,140.46 = 5,424.98/x
3. Step 3: Cross multiply
   10,758.82x = 16,140.46 × 5,424.98
4. Step 4: Simplify right side
   10,758.82x = 87,561,672.69
5. Step 5: Solve for x
   x = 87,561,672.69/10,758.82
6. Step 6: Final answer
   x = 8,138.59