Finding the Fourth Proportional to 10,255.45, 14,152.53 and 5,539.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.45 : 14,152.53 = 5,539.73 : x
2. Step 2: Convert to fraction form
   10,255.45/14,152.53 = 5,539.73/x
3. Step 3: Cross multiply
   10,255.45x = 14,152.53 × 5,539.73
4. Step 4: Simplify right side
   10,255.45x = 78,401,195.02
5. Step 5: Solve for x
   x = 78,401,195.02/10,255.45
6. Step 6: Final answer
   x = 7,644.83