Finding the Fourth Proportional to 10,827.09, 16,239.27 and 3,432.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,827.09 : 16,239.27 = 3,432.30 : x
2. Step 2: Convert to fraction form
   10,827.09/16,239.27 = 3,432.30/x
3. Step 3: Cross multiply
   10,827.09x = 16,239.27 × 3,432.30
4. Step 4: Simplify right side
   10,827.09x = 55,738,046.42
5. Step 5: Solve for x
   x = 55,738,046.42/10,827.09
6. Step 6: Final answer
   x = 5,148.02