Finding the Fourth Proportional to 5,196.20, 7,170.32 and 2,927.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.20 : 7,170.32 = 2,927.72 : x
2. Step 2: Convert to fraction form
   5,196.20/7,170.32 = 2,927.72/x
3. Step 3: Cross multiply
   5,196.20x = 7,170.32 × 2,927.72
4. Step 4: Simplify right side
   5,196.20x = 20,992,714.52
5. Step 5: Solve for x
   x = 20,992,714.52/5,196.20
6. Step 6: Final answer
   x = 4,040.02