Finding the Fourth Proportional to 5,665.89, 7,818.91 and 3,148.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665.89 : 7,818.91 = 3,148.23 : x
2. Step 2: Convert to fraction form
   5,665.89/7,818.91 = 3,148.23/x
3. Step 3: Cross multiply
   5,665.89x = 7,818.91 × 3,148.23
4. Step 4: Simplify right side
   5,665.89x = 24,615,727.03
5. Step 5: Solve for x
   x = 24,615,727.03/5,665.89
6. Step 6: Final answer
   x = 4,344.55