Finding the Fourth Proportional to 2,787.29, 3,846.37 and 1,528.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787.29 : 3,846.37 = 1,528.33 : x
2. Step 2: Convert to fraction form
   2,787.29/3,846.37 = 1,528.33/x
3. Step 3: Cross multiply
   2,787.29x = 3,846.37 × 1,528.33
4. Step 4: Simplify right side
   2,787.29x = 5,878,509.23
5. Step 5: Solve for x
   x = 5,878,509.23/2,787.29
6. Step 6: Final answer
   x = 2,109.04