Finding the Fourth Proportional to 2,354.42, 3,235.54 and 2,288.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.42 : 3,235.54 = 2,288.82 : x
2. Step 2: Convert to fraction form
   2,354.42/3,235.54 = 2,288.82/x
3. Step 3: Cross multiply
   2,354.42x = 3,235.54 × 2,288.82
4. Step 4: Simplify right side
   2,354.42x = 7,405,568.66
5. Step 5: Solve for x
   x = 7,405,568.66/2,354.42
6. Step 6: Final answer
   x = 3,145.39