Finding the Fourth Proportional to 10,255.41, 14,152.47 and 5,539.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.41 : 14,152.47 = 5,539.69 : x
2. Step 2: Convert to fraction form
   10,255.41/14,152.47 = 5,539.69/x
3. Step 3: Cross multiply
   10,255.41x = 14,152.47 × 5,539.69
4. Step 4: Simplify right side
   10,255.41x = 78,400,296.53
5. Step 5: Solve for x
   x = 78,400,296.53/10,255.41
6. Step 6: Final answer
   x = 7,644.77