Finding the Fourth Proportional to 5,097.96, 7,020.72 and 3,976.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,097.96 : 7,020.72 = 3,976.92 : x
2. Step 2: Convert to fraction form
   5,097.96/7,020.72 = 3,976.92/x
3. Step 3: Cross multiply
   5,097.96x = 7,020.72 × 3,976.92
4. Step 4: Simplify right side
   5,097.96x = 27,920,841.78
5. Step 5: Solve for x
   x = 27,920,841.78/5,097.96
6. Step 6: Final answer
   x = 5,476.87