Finding the Fourth Proportional to 2,244, 3,096.72 and 1,312.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,244 : 3,096.72 = 1,312.68 : x
2. Step 2: Convert to fraction form
   2,244/3,096.72 = 1,312.68/x
3. Step 3: Cross multiply
   2,244x = 3,096.72 × 1,312.68
4. Step 4: Simplify right side
   2,244x = 4,065,002.41
5. Step 5: Solve for x
   x = 4,065,002.41/2,244
6. Step 6: Final answer
   x = 1,811.50