Finding the Fourth Proportional to 1,827.72, 2,743.38 and 1,339.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827.72 : 2,743.38 = 1,339.38 : x
2. Step 2: Convert to fraction form
   1,827.72/2,743.38 = 1,339.38/x
3. Step 3: Cross multiply
   1,827.72x = 2,743.38 × 1,339.38
4. Step 4: Simplify right side
   1,827.72x = 3,674,428.30
5. Step 5: Solve for x
   x = 3,674,428.30/1,827.72
6. Step 6: Final answer
   x = 2,010.39