Finding the Fourth Proportional to 5,148.37, 7,732.89 and 3,072.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,148.37 : 7,732.89 = 3,072.43 : x
2. Step 2: Convert to fraction form
   5,148.37/7,732.89 = 3,072.43/x
3. Step 3: Cross multiply
   5,148.37x = 7,732.89 × 3,072.43
4. Step 4: Simplify right side
   5,148.37x = 23,758,763.22
5. Step 5: Solve for x
   x = 23,758,763.22/5,148.37
6. Step 6: Final answer
   x = 4,614.81