Finding the Fourth Proportional to 10,352.48, 14,286.32 and 5,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,352.48 : 14,286.32 = 5,636.72 : x
2. Step 2: Convert to fraction form
   10,352.48/14,286.32 = 5,636.72/x
3. Step 3: Cross multiply
   10,352.48x = 14,286.32 × 5,636.72
4. Step 4: Simplify right side
   10,352.48x = 80,527,985.67
5. Step 5: Solve for x
   x = 80,527,985.67/10,352.48
6. Step 6: Final answer
   x = 7,778.62