Finding the Fourth Proportional to 2,243.70, 3,094.20 and 1,581.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.70 : 3,094.20 = 1,581.12 : x
2. Step 2: Convert to fraction form
   2,243.70/3,094.20 = 1,581.12/x
3. Step 3: Cross multiply
   2,243.70x = 3,094.20 × 1,581.12
4. Step 4: Simplify right side
   2,243.70x = 4,892,301.50
5. Step 5: Solve for x
   x = 4,892,301.50/2,243.70
6. Step 6: Final answer
   x = 2,180.46