Finding the Fourth Proportional to 10,812.52, 16,227.89 and 4,243.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,812.52 : 16,227.89 = 4,243.32 : x
2. Step 2: Convert to fraction form
   10,812.52/16,227.89 = 4,243.32/x
3. Step 3: Cross multiply
   10,812.52x = 16,227.89 × 4,243.32
4. Step 4: Simplify right side
   10,812.52x = 68,860,148.76
5. Step 5: Solve for x
   x = 68,860,148.76/10,812.52
6. Step 6: Final answer
   x = 6,368.56