Finding the Fourth Proportional to 3,784.29, 5,222.16 and 2,104.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784.29 : 5,222.16 = 2,104.95 : x
2. Step 2: Convert to fraction form
   3,784.29/5,222.16 = 2,104.95/x
3. Step 3: Cross multiply
   3,784.29x = 5,222.16 × 2,104.95
4. Step 4: Simplify right side
   3,784.29x = 10,992,385.69
5. Step 5: Solve for x
   x = 10,992,385.69/3,784.29
6. Step 6: Final answer
   x = 2,904.74