Finding the Fourth Proportional to 2,864.32, 3,951.28 and 2,364.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.32 : 3,951.28 = 2,364.05 : x
2. Step 2: Convert to fraction form
   2,864.32/3,951.28 = 2,364.05/x
3. Step 3: Cross multiply
   2,864.32x = 3,951.28 × 2,364.05
4. Step 4: Simplify right side
   2,864.32x = 9,341,023.48
5. Step 5: Solve for x
   x = 9,341,023.48/2,864.32
6. Step 6: Final answer
   x = 3,261.17