Finding the Fourth Proportional to 1,812.72, 2,502.27 and 1,340.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.72 : 2,502.27 = 1,340.67 : x
2. Step 2: Convert to fraction form
   1,812.72/2,502.27 = 1,340.67/x
3. Step 3: Cross multiply
   1,812.72x = 2,502.27 × 1,340.67
4. Step 4: Simplify right side
   1,812.72x = 3,354,718.32
5. Step 5: Solve for x
   x = 3,354,718.32/1,812.72
6. Step 6: Final answer
   x = 1,850.65