Finding the Fourth Proportional to 5,665.79, 7,818.80 and 3,148.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665.79 : 7,818.80 = 3,148.06 : x
2. Step 2: Convert to fraction form
   5,665.79/7,818.80 = 3,148.06/x
3. Step 3: Cross multiply
   5,665.79x = 7,818.80 × 3,148.06
4. Step 4: Simplify right side
   5,665.79x = 24,614,019.29
5. Step 5: Solve for x
   x = 24,614,019.29/5,665.79
6. Step 6: Final answer
   x = 4,344.32