Finding the Fourth Proportional to 2,347.40, 3,235.96 and 1,786.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.40 : 3,235.96 = 1,786.89 : x
2. Step 2: Convert to fraction form
   2,347.40/3,235.96 = 1,786.89/x
3. Step 3: Cross multiply
   2,347.40x = 3,235.96 × 1,786.89
4. Step 4: Simplify right side
   2,347.40x = 5,782,287.54
5. Step 5: Solve for x
   x = 5,782,287.54/2,347.40
6. Step 6: Final answer
   x = 2,463.28