Finding the Fourth Proportional to 2,096.30, 2,892.72 and 1,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.30 : 2,892.72 = 1,211.50 : x
2. Step 2: Convert to fraction form
   2,096.30/2,892.72 = 1,211.50/x
3. Step 3: Cross multiply
   2,096.30x = 2,892.72 × 1,211.50
4. Step 4: Simplify right side
   2,096.30x = 3,504,530.28
5. Step 5: Solve for x
   x = 3,504,530.28/2,096.30
6. Step 6: Final answer
   x = 1,671.77