Finding the Fourth Proportional to 3,784.14, 5,222.18 and 2,105.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784.14 : 5,222.18 = 2,105.62 : x
2. Step 2: Convert to fraction form
   3,784.14/5,222.18 = 2,105.62/x
3. Step 3: Cross multiply
   3,784.14x = 5,222.18 × 2,105.62
4. Step 4: Simplify right side
   3,784.14x = 10,995,918.86
5. Step 5: Solve for x
   x = 10,995,918.86/3,784.14
6. Step 6: Final answer
   x = 2,905.79