Finding the Fourth Proportional to 10,929.04, 16,389.54 and 3,907.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,929.04 : 16,389.54 = 3,907.16 : x
2. Step 2: Convert to fraction form
   10,929.04/16,389.54 = 3,907.16/x
3. Step 3: Cross multiply
   10,929.04x = 16,389.54 × 3,907.16
4. Step 4: Simplify right side
   10,929.04x = 64,036,473.16
5. Step 5: Solve for x
   x = 64,036,473.16/10,929.04
6. Step 6: Final answer
   x = 5,859.30