Finding the Fourth Proportional to 10,255.35, 14,152.38 and 5,539.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.35 : 14,152.38 = 5,539.63 : x
2. Step 2: Convert to fraction form
   10,255.35/14,152.38 = 5,539.63/x
3. Step 3: Cross multiply
   10,255.35x = 14,152.38 × 5,539.63
4. Step 4: Simplify right side
   10,255.35x = 78,398,878.06
5. Step 5: Solve for x
   x = 78,398,878.06/10,255.35
6. Step 6: Final answer
   x = 7,644.68