Finding the Fourth Proportional to 2,428.20, 3,349.71 and 2,096.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428.20 : 3,349.71 = 2,096.55 : x
2. Step 2: Convert to fraction form
   2,428.20/3,349.71 = 2,096.55/x
3. Step 3: Cross multiply
   2,428.20x = 3,349.71 × 2,096.55
4. Step 4: Simplify right side
   2,428.20x = 7,022,834.50
5. Step 5: Solve for x
   x = 7,022,834.50/2,428.20
6. Step 6: Final answer
   x = 2,892.20