Finding the Fourth Proportional to 10,909.68, 16,362.12 and 3,118.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,909.68 : 16,362.12 = 3,118.32 : x
2. Step 2: Convert to fraction form
   10,909.68/16,362.12 = 3,118.32/x
3. Step 3: Cross multiply
   10,909.68x = 16,362.12 × 3,118.32
4. Step 4: Simplify right side
   10,909.68x = 51,022,326.04
5. Step 5: Solve for x
   x = 51,022,326.04/10,909.68
6. Step 6: Final answer
   x = 4,676.79