Finding the Fourth Proportional to 10,816.52, 16,226.37 and 3,419.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,816.52 : 16,226.37 = 3,419.30 : x
2. Step 2: Convert to fraction form
   10,816.52/16,226.37 = 3,419.30/x
3. Step 3: Cross multiply
   10,816.52x = 16,226.37 × 3,419.30
4. Step 4: Simplify right side
   10,816.52x = 55,482,826.94
5. Step 5: Solve for x
   x = 55,482,826.94/10,816.52
6. Step 6: Final answer
   x = 5,129.45