Finding the Fourth Proportional to 11,210.81, 16,818.03 and 3,814.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,210.81 : 16,818.03 = 3,814.49 : x
2. Step 2: Convert to fraction form
   11,210.81/16,818.03 = 3,814.49/x
3. Step 3: Cross multiply
   11,210.81x = 16,818.03 × 3,814.49
4. Step 4: Simplify right side
   11,210.81x = 64,152,249.30
5. Step 5: Solve for x
   x = 64,152,249.30/11,210.81
6. Step 6: Final answer
   x = 5,722.36