Finding the Fourth Proportional to 2,864.42, 4,293.30 and 2,345.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.42 : 4,293.30 = 2,345.30 : x
2. Step 2: Convert to fraction form
   2,864.42/4,293.30 = 2,345.30/x
3. Step 3: Cross multiply
   2,864.42x = 4,293.30 × 2,345.30
4. Step 4: Simplify right side
   2,864.42x = 10,069,076.49
5. Step 5: Solve for x
   x = 10,069,076.49/2,864.42
6. Step 6: Final answer
   x = 3,515.22