Finding the Fourth Proportional to 2,806.02, 3,872.39 and 1,547.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,806.02 : 3,872.39 = 1,547.15 : x
2. Step 2: Convert to fraction form
   2,806.02/3,872.39 = 1,547.15/x
3. Step 3: Cross multiply
   2,806.02x = 3,872.39 × 1,547.15
4. Step 4: Simplify right side
   2,806.02x = 5,991,141.09
5. Step 5: Solve for x
   x = 5,991,141.09/2,806.02
6. Step 6: Final answer
   x = 2,135.10