Finding the Fourth Proportional to 2,806.38, 3,872.82 and 1,547.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,806.38 : 3,872.82 = 1,547.37 : x
2. Step 2: Convert to fraction form
   2,806.38/3,872.82 = 1,547.37/x
3. Step 3: Cross multiply
   2,806.38x = 3,872.82 × 1,547.37
4. Step 4: Simplify right side
   2,806.38x = 5,992,685.48
5. Step 5: Solve for x
   x = 5,992,685.48/2,806.38
6. Step 6: Final answer
   x = 2,135.38