Finding the Fourth Proportional to 2,165.52, 3,251 and 1,804.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.52 : 3,251 = 1,804.72 : x
2. Step 2: Convert to fraction form
   2,165.52/3,251 = 1,804.72/x
3. Step 3: Cross multiply
   2,165.52x = 3,251 × 1,804.72
4. Step 4: Simplify right side
   2,165.52x = 5,867,144.72
5. Step 5: Solve for x
   x = 5,867,144.72/2,165.52
6. Step 6: Final answer
   x = 2,709.35