Finding the Fourth Proportional to 5,168.86, 7,132.94 and 2,930.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.86 : 7,132.94 = 2,930.72 : x
2. Step 2: Convert to fraction form
   5,168.86/7,132.94 = 2,930.72/x
3. Step 3: Cross multiply
   5,168.86x = 7,132.94 × 2,930.72
4. Step 4: Simplify right side
   5,168.86x = 20,904,649.92
5. Step 5: Solve for x
   x = 20,904,649.92/5,168.86
6. Step 6: Final answer
   x = 4,044.34