Finding the Fourth Proportional to 10,936.32, 16,404.50 and 3,145.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,936.32 : 16,404.50 = 3,145.14 : x
2. Step 2: Convert to fraction form
   10,936.32/16,404.50 = 3,145.14/x
3. Step 3: Cross multiply
   10,936.32x = 16,404.50 × 3,145.14
4. Step 4: Simplify right side
   10,936.32x = 51,594,449.13
5. Step 5: Solve for x
   x = 51,594,449.13/10,936.32
6. Step 6: Final answer
   x = 4,717.72