Finding the Fourth Proportional to 5,168.82, 7,133.31 and 2,930.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.82 : 7,133.31 = 2,930.91 : x
2. Step 2: Convert to fraction form
   5,168.82/7,133.31 = 2,930.91/x
3. Step 3: Cross multiply
   5,168.82x = 7,133.31 × 2,930.91
4. Step 4: Simplify right side
   5,168.82x = 20,907,089.61
5. Step 5: Solve for x
   x = 20,907,089.61/5,168.82
6. Step 6: Final answer
   x = 4,044.85