Finding the Fourth Proportional to 10,959.68, 16,435.92 and 4,384.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,959.68 : 16,435.92 = 4,384.16 : x
2. Step 2: Convert to fraction form
   10,959.68/16,435.92 = 4,384.16/x
3. Step 3: Cross multiply
   10,959.68x = 16,435.92 × 4,384.16
4. Step 4: Simplify right side
   10,959.68x = 72,057,703.03
5. Step 5: Solve for x
   x = 72,057,703.03/10,959.68
6. Step 6: Final answer
   x = 6,574.80