Finding the Fourth Proportional to 2,356.52, 3,251.88 and 1,308.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.52 : 3,251.88 = 1,308.56 : x
2. Step 2: Convert to fraction form
   2,356.52/3,251.88 = 1,308.56/x
3. Step 3: Cross multiply
   2,356.52x = 3,251.88 × 1,308.56
4. Step 4: Simplify right side
   2,356.52x = 4,255,280.09
5. Step 5: Solve for x
   x = 4,255,280.09/2,356.52
6. Step 6: Final answer
   x = 1,805.75