Finding the Fourth Proportional to 3,780.84, 5,684.22 and 3,495.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.84 : 5,684.22 = 3,495.72 : x
2. Step 2: Convert to fraction form
   3,780.84/5,684.22 = 3,495.72/x
3. Step 3: Cross multiply
   3,780.84x = 5,684.22 × 3,495.72
4. Step 4: Simplify right side
   3,780.84x = 19,870,441.54
5. Step 5: Solve for x
   x = 19,870,441.54/3,780.84
6. Step 6: Final answer
   x = 5,255.56