Finding the Fourth Proportional to 2,356.24, 3,251.52 and 1,308.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.24 : 3,251.52 = 1,308.28 : x
2. Step 2: Convert to fraction form
   2,356.24/3,251.52 = 1,308.28/x
3. Step 3: Cross multiply
   2,356.24x = 3,251.52 × 1,308.28
4. Step 4: Simplify right side
   2,356.24x = 4,253,898.59
5. Step 5: Solve for x
   x = 4,253,898.59/2,356.24
6. Step 6: Final answer
   x = 1,805.38