Finding the Fourth Proportional to 10,957.44, 16,423.82 and 5,399.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,957.44 : 16,423.82 = 5,399.01 : x
2. Step 2: Convert to fraction form
   10,957.44/16,423.82 = 5,399.01/x
3. Step 3: Cross multiply
   10,957.44x = 16,423.82 × 5,399.01
4. Step 4: Simplify right side
   10,957.44x = 88,672,259.30
5. Step 5: Solve for x
   x = 88,672,259.30/10,957.44
6. Step 6: Final answer
   x = 8,092.43