Finding the Fourth Proportional to 10,259.72, 14,158.40 and 5,544

Step by Step Solution

1. Step 1: Write the proportion equation
   10,259.72 : 14,158.40 = 5,544 : x
2. Step 2: Convert to fraction form
   10,259.72/14,158.40 = 5,544/x
3. Step 3: Cross multiply
   10,259.72x = 14,158.40 × 5,544
4. Step 4: Simplify right side
   10,259.72x = 78,494,141.88
5. Step 5: Solve for x
   x = 78,494,141.88/10,259.72
6. Step 6: Final answer
   x = 7,650.71