Finding the Fourth Proportional to 5,096.61, 7,628.72 and 2,753.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,096.61 : 7,628.72 = 2,753.28 : x
2. Step 2: Convert to fraction form
   5,096.61/7,628.72 = 2,753.28/x
3. Step 3: Cross multiply
   5,096.61x = 7,628.72 × 2,753.28
4. Step 4: Simplify right side
   5,096.61x = 21,003,988.44
5. Step 5: Solve for x
   x = 21,003,988.44/5,096.61
6. Step 6: Final answer
   x = 4,121.17