Finding the Fourth Proportional to 5,167.91, 7,739.48 and 3,683.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,167.91 : 7,739.48 = 3,683.57 : x
2. Step 2: Convert to fraction form
   5,167.91/7,739.48 = 3,683.57/x
3. Step 3: Cross multiply
   5,167.91x = 7,739.48 × 3,683.57
4. Step 4: Simplify right side
   5,167.91x = 28,508,886.86
5. Step 5: Solve for x
   x = 28,508,886.86/5,167.91
6. Step 6: Final answer
   x = 5,516.53