Finding the Fourth Proportional to 10,665.88, 16,002.97 and 4,424.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.88 : 16,002.97 = 4,424.32 : x
2. Step 2: Convert to fraction form
   10,665.88/16,002.97 = 4,424.32/x
3. Step 3: Cross multiply
   10,665.88x = 16,002.97 × 4,424.32
4. Step 4: Simplify right side
   10,665.88x = 70,802,269.17
5. Step 5: Solve for x
   x = 70,802,269.17/10,665.88
6. Step 6: Final answer
   x = 6,638.20