Finding the Fourth Proportional to 5,148.25, 7,723.86 and 2,958.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,148.25 : 7,723.86 = 2,958.55 : x
2. Step 2: Convert to fraction form
   5,148.25/7,723.86 = 2,958.55/x
3. Step 3: Cross multiply
   5,148.25x = 7,723.86 × 2,958.55
4. Step 4: Simplify right side
   5,148.25x = 22,851,426.00
5. Step 5: Solve for x
   x = 22,851,426.00/5,148.25
6. Step 6: Final answer
   x = 4,438.68