Finding the Fourth Proportional to 10,153.86, 15,216.86 and 5,713.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,153.86 : 15,216.86 = 5,713.67 : x
2. Step 2: Convert to fraction form
   10,153.86/15,216.86 = 5,713.67/x
3. Step 3: Cross multiply
   10,153.86x = 15,216.86 × 5,713.67
4. Step 4: Simplify right side
   10,153.86x = 86,944,168.80
5. Step 5: Solve for x
   x = 86,944,168.80/10,153.86
6. Step 6: Final answer
   x = 8,562.67