Finding the Fourth Proportional to 10,255.44, 14,152.51 and 5,539.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.44 : 14,152.51 = 5,539.72 : x
2. Step 2: Convert to fraction form
   10,255.44/14,152.51 = 5,539.72/x
3. Step 3: Cross multiply
   10,255.44x = 14,152.51 × 5,539.72
4. Step 4: Simplify right side
   10,255.44x = 78,400,942.70
5. Step 5: Solve for x
   x = 78,400,942.70/10,255.44
6. Step 6: Final answer
   x = 7,644.82