Finding the Fourth Proportional to 10,929.72, 16,390.92 and 3,532.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,929.72 : 16,390.92 = 3,532.18 : x
2. Step 2: Convert to fraction form
   10,929.72/16,390.92 = 3,532.18/x
3. Step 3: Cross multiply
   10,929.72x = 16,390.92 × 3,532.18
4. Step 4: Simplify right side
   10,929.72x = 57,895,679.81
5. Step 5: Solve for x
   x = 57,895,679.81/10,929.72
6. Step 6: Final answer
   x = 5,297.09