Finding the Fourth Proportional to 3,785.98, 5,688.20 and 3,576.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785.98 : 5,688.20 = 3,576.17 : x
2. Step 2: Convert to fraction form
   3,785.98/5,688.20 = 3,576.17/x
3. Step 3: Cross multiply
   3,785.98x = 5,688.20 × 3,576.17
4. Step 4: Simplify right side
   3,785.98x = 20,341,923.87
5. Step 5: Solve for x
   x = 20,341,923.87/3,785.98
6. Step 6: Final answer
   x = 5,372.96