Finding the Fourth Proportional to 2,357.46, 3,253.41 and 1,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.46 : 3,253.41 = 1,309.50 : x
2. Step 2: Convert to fraction form
   2,357.46/3,253.41 = 1,309.50/x
3. Step 3: Cross multiply
   2,357.46x = 3,253.41 × 1,309.50
4. Step 4: Simplify right side
   2,357.46x = 4,260,340.40
5. Step 5: Solve for x
   x = 4,260,340.40/2,357.46
6. Step 6: Final answer
   x = 1,807.17