Finding the Fourth Proportional to 2,350.58, 3,243.71 and 1,355.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,350.58 : 3,243.71 = 1,355.72 : x
2. Step 2: Convert to fraction form
   2,350.58/3,243.71 = 1,355.72/x
3. Step 3: Cross multiply
   2,350.58x = 3,243.71 × 1,355.72
4. Step 4: Simplify right side
   2,350.58x = 4,397,549.69
5. Step 5: Solve for x
   x = 4,397,549.69/2,350.58
6. Step 6: Final answer
   x = 1,870.84