Finding the Fourth Proportional to 5,168.72, 7,132.70 and 2,930.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.72 : 7,132.70 = 2,930.82 : x
2. Step 2: Convert to fraction form
   5,168.72/7,132.70 = 2,930.82/x
3. Step 3: Cross multiply
   5,168.72x = 7,132.70 × 2,930.82
4. Step 4: Simplify right side
   5,168.72x = 20,904,659.81
5. Step 5: Solve for x
   x = 20,904,659.81/5,168.72
6. Step 6: Final answer
   x = 4,044.46