Finding the Fourth Proportional to 5,428.98, 8,142.63 and 2,096.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,428.98 : 8,142.63 = 2,096.76 : x
2. Step 2: Convert to fraction form
   5,428.98/8,142.63 = 2,096.76/x
3. Step 3: Cross multiply
   5,428.98x = 8,142.63 × 2,096.76
4. Step 4: Simplify right side
   5,428.98x = 17,073,140.88
5. Step 5: Solve for x
   x = 17,073,140.88/5,428.98
6. Step 6: Final answer
   x = 3,144.82