Finding the Fourth Proportional to 3,784.48, 5,685.95 and 3,574.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784.48 : 5,685.95 = 3,574.67 : x
2. Step 2: Convert to fraction form
   3,784.48/5,685.95 = 3,574.67/x
3. Step 3: Cross multiply
   3,784.48x = 5,685.95 × 3,574.67
4. Step 4: Simplify right side
   3,784.48x = 20,325,348.58
5. Step 5: Solve for x
   x = 20,325,348.58/3,784.48
6. Step 6: Final answer
   x = 5,370.71