Finding the Fourth Proportional to 10,914.81, 16,375.41 and 3,519.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,914.81 : 16,375.41 = 3,519.12 : x
2. Step 2: Convert to fraction form
   10,914.81/16,375.41 = 3,519.12/x
3. Step 3: Cross multiply
   10,914.81x = 16,375.41 × 3,519.12
4. Step 4: Simplify right side
   10,914.81x = 57,627,032.84
5. Step 5: Solve for x
   x = 57,627,032.84/10,914.81
6. Step 6: Final answer
   x = 5,279.71