Finding the Fourth Proportional to 10,255.79, 14,153.00 and 5,540.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.79 : 14,153.00 = 5,540.07 : x
2. Step 2: Convert to fraction form
   10,255.79/14,153.00 = 5,540.07/x
3. Step 3: Cross multiply
   10,255.79x = 14,153.00 × 5,540.07
4. Step 4: Simplify right side
   10,255.79x = 78,408,583.01
5. Step 5: Solve for x
   x = 78,408,583.01/10,255.79
6. Step 6: Final answer
   x = 7,645.30