Finding the Fourth Proportional to 2,243, 3,095.61 and 1,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243 : 3,095.61 = 1,311.50 : x
2. Step 2: Convert to fraction form
   2,243/3,095.61 = 1,311.50/x
3. Step 3: Cross multiply
   2,243x = 3,095.61 × 1,311.50
4. Step 4: Simplify right side
   2,243x = 4,059,892.52
5. Step 5: Solve for x
   x = 4,059,892.52/2,243
6. Step 6: Final answer
   x = 1,810.03