Finding the Fourth Proportional to 10,820.50, 16,232.34 and 3,423.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,820.50 : 16,232.34 = 3,423.28 : x
2. Step 2: Convert to fraction form
   10,820.50/16,232.34 = 3,423.28/x
3. Step 3: Cross multiply
   10,820.50x = 16,232.34 × 3,423.28
4. Step 4: Simplify right side
   10,820.50x = 55,567,844.88
5. Step 5: Solve for x
   x = 55,567,844.88/10,820.50
6. Step 6: Final answer
   x = 5,135.42